Addition to 20 Part Part Whole

Name: ______

Addition to 20 – Part Part Whole

Classwork

Directions: Complete the part-part-whole charts. You may draw counters when needed to help you.

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Part Part Whole

Classwork

1) 4)

2) 5)

3) 6)

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Addition with Manipluatives

Classwork

To find the whole, add the parts.

Directions: Complete the part-part-whole charts.

1) 4)

2) 5)

3) 6)

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Addition with Manipulatives

Classwork

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Addition with Manipulatives

Classwork

Directions: Use the pictures to help you add.

1) 4 and 6 more equals ______

2) 5 and 2 more equals ______

3)1 and 2 more equals ______

4)2 and 3 more equals ______

Directions: Draw counters to help you add.

5)1 and 5 more equals ______

6) 8 and 2 more equals ______

7) 1 and 0 more equals ______

8) 4 and 4 more equals ______

Directions: Use the pictures to help you add.

1) 2 and 5 more equals ______

2) 6 and 3 more equals ______

3)1 and 4 more equals ______

4)3 and 3 more equals ______

Directions: Draw counters to help you add.

5)4 and 5 more equals ______

6) 7 and 2 more equals ______

7) 8 and 0 more equals ______

8) 6 and 7 more equals ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Addition Sentences

Classwork

Directions: Write addition number sentences to match the pictures.

1)

______+ ______= ______/ 2)
______+ ______= ______
3)
______+ ______= ______/ 4)

______+ ______= ______
5)

______+ ______= ______/ 6)

______
7)

______/ 8)

______

Directions: Write addition number sentences to match the pictures.

1)

______+ ______= ______/ 2)

______+ ______= ______
3)

______+ ______= ______/ 4)

______+ ______= ______
5)

______/ 6)

______
7)

______/ 8)

______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Word Problems

Classwork

Directions: Draw a picture to solve. Write an addition sentence to match.

1)Joe has 2 pennies.
His mother gives him 2 more.
How many pennies does he have in all?
______+ ______= ______/ 2)Sam caught 4 fish on Monday.
He caught 3 more on Tuesday.
How many fish did he catch in all?
______+ ______= ______
3)Ellen has 5 dogs.
She gets 3 more.
How many dogs are there in all?
______+ ______= ______/ 4)Parker ate 2 rolls.
Then he ate 3 more.
How many rolls did he eat in all?
______+ ______= ______
5)There are 6 green balls.
There are 3 pink balls.
How many balls are there in all?
______+ ______= ______/ 6)Jen threw 2 strikes.
Then she threw 4 balls.
How many pitches did she throw in all?
______+ ______= ______
7)There are 5 turtles on a log.
One more turtle climbs on.
How many turtles are on the log?
______+ ______= ______/ 8)There are 2 birds sitting in a tree.
4 more birds sit in the tree.
How many birds are in the tree?
______+ ______= ______

Directions: Draw a picture to solve. Write an addition sentence to match.

1)Hank has 2 cats.
Jim has 3 cats.
How many cats in all?
______+ ______= ______/ 2)Seth put 6 ladybugs in his jar.
His brother put 1 more in the jar..
How many ladybugs in all?
______+ ______= ______
3)Kim has 5 hens.
She gets 4 more.
How many hensin all?
______+ ______= ______/ 4)Charlie has 8 packs of gum.
His aunt buys him 2 more packs.
How many packs in all?
______+ ______= ______
5)Amy bought 7red pencils.
She bought 1 green pencil.
How many pencils in all?
______+ ______= ______/ 6)Jeffsaw 4 rhinos at the zoo.
He saw 4 elephants at the zoo.
How many animals in all?
______+ ______= ______
7)There are 3pigs in the pen.
5 more pigs are put in the pen.
How many pigs are in the pen?
______+ ______= ______/ 8)There are 4flowers in the garden.
2 more flowers bloom.
How many flowers are in the garden?
______+ ______= ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Addition on Number Line

Classwork

Directions: Use the number line to add. Circle the greater number. Show your work.

1) 5 + 3 = ______

2) 6 + 7 = ______

3) 9 + 4 = ______

4) 2 + 7 = ______

Directions: Use the number line to add. Write the sum.

5) 1 + 11 = ______

6) 6 + 3 = ______

7) 9 + 2 = ______

8) 8 + 3 = ______

9)Jim saw 4 ducks. Then he saw 5 more. How many ducks did he see in all? ______

10)Beth had 2 flowers. Then she picked 2 more. How many flowers did she pick in all? ______

You can use a number line to add. Start by circling the greater number.

Next count on by moving to the right.

Directions: Use the number line to add. Circle the greater number. Show your work.

1) 8 + 3 = ______

2) 5 + 2 = ______

3) 1 + 4 = ______

4) 6 + 3 = ______

Directions: Use the number line to add. Write the sum.

5) 6 + 2 = ______

6) 12 + 3 = ______

7) 5 + 5 = ______

8) 4 + 9 = ______

9) Dawn saw 2 ladybugs on a leaf. She saw 4 ladybugs on a tree. How many ladybugs did she see in all? ______

10)Kim bought 5 apple pies. Brett bought 3 peach pies. How many pies did they buy in all? ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Addition on Number Grid

Classwork

Directions: Use the number grid to add. Circle the greater addend. Show your work.

1) 12 + 8 = ______3) 8 + 11 = ______

2) 7 + 9 = ______4) 13 + 6 = ______

Directions: Use the number grid to add. Write the sum.

5) 15 + 4 = ______

6) 19 + 1 = ______

7) 4 + 14 = ______

8) 16 + 4 = ______

9) 18 + 2 = ______

You can use a number grid to add larger numbers.

Start by circling the greater number.Next count on by moving to the right. At the end of the row, move down and all the way back to the left.

Directions: Use the number grid to add. Circle the greater addend. Show your work.

1) 10 + 8 = ______3) 5 + 11 = ______

2) 17 + 2 = ______4) 3 + 16 = ______

Directions: Use the number grid to add. Write the sum.

5) 5 + 14 = ______

6) 9 + 10 = ______

7)14 + 5 = ______

8)6 + 12 = ______

9)8 + 12 = ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Adding 0

Classwork

Directions: Find each sum. Color the + 0 addition sentences green.

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Adding 0

Classwork

1)0 + 2 = ______/ 2)4 + 1 = ______
3)5 + 2 = ______/ 4)0 + 20 = ______
5)3 + 1 = ______/ 6)3 + 5 = ______
7)8 + 0 = ______/ 8)6 + 0 = ______
9)7 + 2 = ______/ 10)0 + 4 = ______
11)15 + 0 = ______/ 12)5 + 6 = ______

13)Gary has 3 cars. Ben has 0 cars. How many cars do they have in all? ______

14)Sarah saw 0 birds in the morning. She saw 18 birds in the afternoon. How many birds did she see in all? ______

When you add 0 to a number, the sum is the same number.

6 + 0 = 60 + 14 = 14

Directions: Find the sum.

1)0 + 1 = ______/ 2)9 + 0 = ______
3)6 + 0 = ______/ 4)18 + 0 = _____
5)7 + 2 = ______/ 6)0 + 5 = ______
7)0 + 0 = _____ / 8)3 + 3 = ______
9)12 + 3 = ______/ 10)8 + 0 = ______
11)0 + 9 = ______/ 12)0 + 13 = ______
13)19 + 0 = ______/ 14)5 + 2 = ______
15)4 + 0 = ______/ 16)7 + 4 = ______

17)Chris saw 11 airplanes on his way to school.

He saw 0 on his way home from school.

How many airplanes did he see in all? ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Counting on 1, 2, or 3

Classwork

Directions: Count on to find the sum.

4______, ______, ______

4 + 3 = ______

6______, ______

6 + 2 = ______

8______

8 + 1 = ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Counting on 1, 2, or 3

Classwork

Directions: Count on to find the sum.

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Counting on 1, 2, or 3

Classwork

4)3 + 7 = ______

5) 4 + 3 = ______

6) 2 + 5 = ______

7) 1 + 17 = ______

8)5 + 3 = ______

9)2 + 1 = ______

10)12 + 2 = ______

11) 3 + 15 = ______

12) 11 + 3 = ______

13)4 + 2 = ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Counting on 1, 2, or 3

Classwork

Counting on can help us add.

4__5__, __6__, __7__

4 + 3 = 7

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Counting on 1, 2, or 3

Classwork

Directions: Start with the greater number. Count on to solve.

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Counting on 1, 2, or 3

Classwork

1)1 + 7 = ______

2)5 + 2 = ______

3)3 + 8 = ______

4)1 + 9 = ______

5)6 + 1 = ______

6)3 + 5 = ______

7)2 + 7 = ______

8)4 + 3 = ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Counting on 1, 2, or 3

Classwork

9) 6
+ 2 / 10) 14
+ 3 / 11) 16
+ 2
12) 3
+ 4 / 13) 3
+ 7 / 14) 15
+ 1

15)John took 6 bites of his dinner. Then he took 2 more. How many bites did John take in all? ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Adding 10

Classwork

Directions: Use the number grid to find the sum.

1)4 + 10 = ______/ 2)10 + 5 = ______
3)10 + 2 = ______/ 4)7 + 10 = ______
5)8 + 10 = _____ / 6)9 + 10 = ______
7)10 + 1 = ______/ 8)0 + 10 = ______
9)3 + 10 = ______/ 10)10 + 6 = ______

11)Jenny ate 4 cookies. Bobby ate 10 cookies. How many cookies did they eat in all? ______

12)Lilly caught 10 butterflies. Then she caught 7 lighting bugs. How many bugs did she catch in all? ______

When adding ten on a number grid, circle the addend that is not ten.

Then move one box down to find the answer.

3 + 10 = 13

Directions: Use the number grid to find the sum.

1) 8 + 10 = ______

2) 10 + 7 = ______

3) 4 + 10 = ______

4) 5 + 10 = ______

5) 10 + 9 = ______

6) 2 + 10 = ______

7)10 + 10 = ______9) 710) 3

+ 10+ 10

8) 1 + 10 = ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Patterns when Adding 10

Classwork

Directions: Find the sum.

1)
10
+ 6 / 2)
3
+ 10 / 3)
10
+ 4
4)
2
+ 10 / 5)
10
+ 7 / 6)
1
+ 10
7)
10
+ 5 / 8)
9
+ 10 / 9)
10
+ 8

10)Billy had 10 pennies. Then his mom gave him 5 more. How many pennies does he have in all? _____ pennies

______+ ______= ______

When adding 10 to a single digit number, 10

the tens place is always one and + 6

the ones place stays the same. 16

Directions: Find the sum.

1)
10
+ 2 / 2)
9
+ 10 / 3)
10
+ 5
4)
7
+ 10 / 5)
10
+ 3 / 6)
8
+ 10
7)
10
+ 6 / 8)
1
+ 10 / 9)
10
+ 4

10)Jim had 10 lollipops. Then his dad gave him 10 more. How

many lollipops does he have in all? _____ Lollipops

______+ ______= ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Doubles

Classwork

Directions: Add. Color all the double facts blue.

1) 2 + 2 = ______/ 2)10 + 10 = ______/ 3) 6 + 2 = ______
4) 5 + 2 = _____ / 5) 3 + 3 = ______/ 6) 1 + 1 = ______
7) 4 + 4 = ______/ 8) 9 + 9 = ______/ 9) 6 + 6 = ______
10)8 + 8 = ______/ 11)10 + 5 = ______/ 12)7 + 7 = ______
13)3 + 9 = ______/ 14)5 + 5 = ______/ 15)4 + 1 = ______

16)Sam has 4 pencils. Beth has 4 pencils too. How many pencils do they have in all? ______Pencils

______+ ______= ______

17)There are 2 frogs on a lily pad. 2 more frogs hop onto the lily pad. How many frogs are on the lily pad in all? ______Frogs

______+ ______= ______

Addends are the numbers you add together.

In a doubles fact, the two addends are the same.

6 + 6 = 12

Addends

Directions: Add. Circle the doubles facts.

1)5 + 5 = ______/ 2)7 + 7 = ______/ 3)1 + 1 = ______
4)10 + 3 = ______/ 5)4 + 4 = ______/ 6)5 + 1 = ______
7)2 + 2 = ______/ 8)9 + 3 = ______/ 9)3 + 3 = ______
10) 8 + 10 = ______/ 11)6 + 6 = ______/ 12)10 + 10 = ______
13)8 + 8 = ______/ 14)7 + 2 = ______/ 15)9 + 9 = ______

16)Is 3 + 4 a doubles fact? Explain why or why not.

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Doubles Plus 1

Classwork

Directions: Write the addition sentences. Solve

______+ ______= ______+ ______= ______

Directions: Solve

4) 7 + 7 = ______7 + 8 = ______

5) 6 + 6 = ______6 + 7 = ______

Directions: Break down the doubles plus 1 facts to show which number you should double. Ex: 2 + 3 = 2 + 2 + 1

6) 9 + 8 = ______+ ______+ 1

7) 4 + 5 = ______+ ______+ ______

You can use doubles facts to find a sum.

Doubles: 5 + 5 = 10 Doubles plus 1: 5 + 6 = 11 (5 + 5 + 1)

Directions: Find each sum.

1) 4 + 4 = ______
4 + 5 = ______/ 2) 9 + 9 = ______
9 + 10 = ______
3) 6 + 6 = ______
6 + 7 = ______/ 4) 3 + 3 = ______
3 + 4 = ______
5) 8 + 8 = ______
8 + 9 = ______/ 6) 5 + 5 = ______
5 + 6 = ______
7) 2 + 2 = ______
2 + 3 = ______/ 8) 7 + 7 = ______
7 + 8 = ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Turn Around Facts

Classwork

Directions: Write the addition sentences. Find the sum.

______+ ______= ______+ ______= ______

Directions: Solve and then write the turn-round fact.

3) 7 + 4 = ______
______+ ______= ______/ 4) 5 + 9 = ______
______+ ______= ______
5) 2 + 5 = ______
______+ ______= ______/ 6) 1 + 5 = ______
______+ ______= ______
7) 4 + 3 = ______
______+ ______= ______/ 8) 8 + 6 = ______
______+ ______= ______
9) 6 + 7 = ______
______+ ______= ______/ 10) 8 + 9 = ______
______+ ______= ______

When you change the order of the addends, the sum stays the same.

6 + 7 = 133 + 9 = 12

7 + 6 = 139 + 3 = 12

Directions: Solve and then write the turn-round fact.

1) 7 + 4 = ______
______+ ______= ______/ 2) 5 + 9 = ______
______+ ______= ______
3) 2 + 5 = ______
______+ ______= ______/ 4) 1 + 5 = ______
______+ ______= ______
5) 4 + 3 = ______
______+ ______= ______/ 6) 8 + 6 = ______
______+ ______= ______
7) 6 + 7 = ______
______+ ______= ______/ 8) 8 + 9 = ______
______+ ______= ______

Directions: Write two ways to add.

9) 4 dogs were at the dog park. 6 more dogs join them. How many dogs are at the dog park in all? ______Dogs

______+ ______= ______+ ______= ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Make 10 with Frames

Classwork

Directions: Write two addition sentences to match the tens frame.

1)3+7=10

7+3=10

2)______+ ______= ______

______+ ______= ______

3)______+ ______= ______

______+ ______= ______

4)______+ ______= ______

______+ ______= ______

5)______+ ______= ______

______+ ______= ______

There are many ways to make 10.

5 + 5 = 101 + 9 = 10

Directions: Write the addition sentences to make ten.

1)
______+ ______= ______/ 2)
______+ ______= ______
3)
______+ ______= ______/ 4)
______+ ______= ______
5)
______+ ______= ______/ 6)
______+ ______= ______

7)Chris bought 4 roses. How many more roses does he need to buy to have 10 roses in all? ______more roses

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Make 10 with Hands

Classwork

1) 8 + ______= 10 / 2) 7 + ______= 10 / 3) ______+ 5 = 10
4) ______+ 1 = 10 / 5) 4 + ______= 10 / 6) ______+ 7 = 10

Directions: Find the sum. Circle the tens facts.

7) 7
+ 2 / 8) 2
+ 8 / 9) 4
+ 8 / 10) 7
+ 6
11) 4
+ 6 / 12) 9
+ 6 / 13) 7
+ 3 / 14) 5
+ 4
15) 2
+ 4 / 16) 9
+ 1 / 17) 1
+ 7 / 18) 5
+ 5

Since we have 10 fingers, our hands can also help us add to 10.

There are 2 fingers up and 8 down.

2 + 8 = 10

Directions: Use your hands to solve.

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Make 10 with Hands

Classwork

1) 5 + ______= 10

2) 6 + ______= 10

3) ______+ 2 = 10

4) 9 + ______= 10

5)______+ 4 = 10
6) ______+ 8 = 10

7) 7 + ______= 10

8) 10 + ______= 10

9) 1 + ______= 10

10) 3 + ______= 10

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Make 10 with Hands

Classwork

11) Kim saw 2 falling stars. How many more falling stars will she

need to see to see 10 in all?

______+ ______= ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Missing Addend

Classwork

Directions: Find the missing addend. What number is in your head?

1) 5 + ______= 9

2) ______+ 8 = 13

3) 7 + ______= 11

4) 6 + ______= 9

5) ______+ 4 = 12

6) ______+ 9 = 18

To find the missing addend, place the given addend

in your head and count up to the sum.

6 + ______= 8

2 is the missing addend.

Directions: Find the missing addend.

1) 7 + ______= 12 / 2) 9 + ______= 15 / 3) 2 + ______= 6
4) ______+ 5 = 9 / 5) 3 + ______= 8 / 6) ______+ 4 = 13
7) 6 + ______= 12 / 8) ______= 1 = 14 / 9) 9 + ______= 11
10) 8
+
13 / 11) 6
+
11 / 12) 5
+
10
13) 2
+
6 / 14) 9
+
10 / 15) 6
+
6

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – Missing Addend on Number Grid

Classwork

Directions: Use the number grid to help solve the number stories.

1) There are 17 students. 6 of them are girls. How many are boys?

______+ ______= ______

2)There are 11 red and blue birds in the tree. 5 of them are blue. How many are red?

______+ ______= ______

3)14 dogs are in a pen. 3 are standing. How many are sitting?

______+ ______= ______

4)Mom bought 17 red and green apples. 5 are red. How many are green?

______+ ______= ______

5)Sandy has 20 pencils. There are 9 sharpened. How many are not sharpened?

______+ ______= ______

When there is a large difference between the given addend
and the sum, it is best to use a number grid for help.

6 + ______= 20

Start by finding the given addend on the grid. Next count the jumps to the sum.

Directions: Use the number grid to find the missing addend.

1) 6 + ______= 17 / 2) ______+ 4 = 16 / 3) 5 + ______= 18
4) ______+ 7 = 19 / 5) 3 + ______= 14 / 6) ______+ 2 = 13
7) ______+ 2 = 15 / 8) 9 + ______= 20 / 9) 8 + ______= 19

10) There are 14 apples on the tree. 3 of them are ripe.

How many apples are not ripe? ______

______+ ______= ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – 3 Addends

Classwork

Directions: Circle the two numbers that are the easiest to add (doubles, 10 fact, +1, +0, etc). Add those two numbers and write that number. Add the third addend to find the sum.

Ex: 6 + 4 + 2 = _12_

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – 3 Addends

Classwork

1) 5 + 5 + 2 = ______

2) 7 + 3 + 4 = ______

3) 4 + 2 + 4 = ______

4) 6 + 4 + 2 = ______

5) 5 + 5 + 2 = ______

6) 2 + 3 + 2 = ______

7) 1 + 1 + 7 = ______

8) 8 + 2 + 4 = ______

9) 6 + 6 + 3 = ______

10) 4 + 5 + 4 = ______

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – 3 Addends

Homework

When you have three addends, you can add in any order. Look for the two numbers that are the easiest to add first. Add them and write the answer. Next add the third addend to find the sum.

Ex: 5 + 5 + 2 = _12_

Directions: Circle the two numbers that are the easiest to add (doubles, 10 fact, +1, +0, etc). Add those two numbers and write that number. Add the third addend to find the sum.

NJ Center for Teaching and Learning ~ 1 ~

Name: ______

Addition to 20 – 3 Addends

Homework

1) 5 + 2 + 2 = ______

2) 7 + 6 + 4 = ______

3) 6 + 2 + 6 = ______

4) 6 + 8 + 2 = ______

5) 7 + 7 + 2 = ______

6) 3 + 3 + 7 = ______

7) 2 + 3 + 7 = ______

8) 9 + 2 + 1 = ______

9) 6 + 3 + 3 = ______

10) 10 + 5 + 3 = ______

NJ Center for Teaching and Learning ~ 1 ~