Name ______

Unit 2 Chapter Review

Estimate the solution to each product, then solve.

1) 68 2) 67

X51 X49

Estimate ______Estimate ______

Solution ______Solution ______

3) Explain why an estimate might be helpful for you to solve these problems.

______

______

______

Estimate the solution to each product, then solve.

4) 955/6 5) 943/28

Estimate ______Estimate ______

Solution ______Solution ______

6) Convert quarts into gallons to complete the table.

Quarts / Gallons
4 / 1
2
5
25
128

7) Complete the table.

Standard
Notation / Product of 10’s / Exponential Notation
100
10*10*10*10
1,000,000
10

8) Christopher Columbus and Johnny Appleseed were playing High Number Toss. They created numbers shown below. Write each player’s number in standard notation. Circle the player that had the higher number.

Columbus: 533 * 10 Standard Notation: ______

Appleseed: 425 * 10 Standard Notation: ______

9) Write 8,908,432 in expanded form.

______

______

______

10) Write an expression with grouping symbols to model the number story. Then solve.

Johnny Appleseed is selling apple cider. He wants to sell 13 gallons. If the price is $2 per quart, how much money will he make? (Hint 4 quarts=1 gallon)

Number Model: ______

Solution: ______

11) Miss Reiff is putting all of her crayons into bins. If each bin holds 12 crayons and she has 433 crayons, how many bins will she need?

Quotient: ______Remainder: ______

What does the remainder represent? ______

Circle what you did with the remainder: Why?

Ignored it Rounded up

______

______