Name:______Date:______Math 7 - ____
Unit Test – VERSION B
Bits and Pieces III
1. Dan took a trip last fall. He paid $2.39 per gallon for the gas he bought.
He filled up four times. He bought 12.3 gallons, 15.75 gallons, 18.45 gallons
and 16.25 gallons.
- How much gasoline did he buy?
- What was his total cost for gasoline on the trip?
c. When he left home, there was 19,741.8 miles on his car. When he
returned, there was 21,335.7 miles on his car. How many miles did he
drive on his trip?
2. Four friends went to dinner. The bill was $24.75 before tax.
a. The sales tax is 7%. What will be added to the bill for the sales tax?
b. The group wants to leave an 18% tip on the cost of the food, not
including the tax. What will be the amount added to the bill for the tip?
- How much should each person pay if they are to share the bill equally?
3. Ms. Tye is grading math tests. A student’s work on a problem is given
below:
0.47 x 1.06 = 4.982
Is the student correct? Explain.
4. A furniture store offers an additional 20% discount on lamps that had
already been reduced 20%, will the final cost be the same as a discount of
40% on the original price? Work through an example to help explain your
answer.
5. Solve the following computations. Show your work.
a. 9.78 + 43.896
b. 19.65 – 3.5
- 4.4 x 9.85
- 87.9 ÷ 5.6
6. Write a complete fact family for each problem.
a. 15.7 – 6.8 = 8.9b. 2.5 x 4.6 = 11.5
7. The weight of an object is affected by gravity. Something that weighs one
pound on Earth will weigh .38 times that on Mars.
- If a rock weighs 5 pounds on Earth, what will it weigh on Mars?
- If a rock weighs 38 pounds on Mars, what will it weigh on Earth?
8. Suppose that your dad gives you $35 to go to Walmart. There is an 8%
sales tax. You buy the following items:
t-shirt $7.88
socks$4.59
belt$9.49
hat$5.00
- How much will these things cost? Show your work.
b. Will you have enough money left to eat a $5.59 meal at Subway?
Explain.
Name:______Date:______Math 7 - ____
PRACTICE Unit Test
Bits and Pieces III
1. Dan took a trip last fall. He paid $2.79 per gallon for the gas he bought.
He filled up four times. He bought 10.3 gallons, 15.5 gallons, 18.95 gallons
and 15.65 gallons.
- How much gasoline did he buy?
- What was his total cost for gasoline on the trip?
c. When he left home, there was 19,841.8 miles on his car. When he
returned, there was 21,535.7 miles on his car. How many miles did he
drive on his trip?
2. Four friends went to dinner. The bill was $29.70 before tax.
a. The sales tax is 8%. What will be added to the bill for the sales tax?
b. The group wants to leave a 19% tip on the cost of the food, not
including the tax. What will be the amount added to the bill for the tip?
- How much should each person pay if they are to share the bill equally?
3. Ms. Tye is grading math tests. A student’s work on a problem is given
below:
0.58 x 6.58 = 381.64
Is the student correct? Explain.
4. A furniture store offers an additional 30% discount on sofas that had
already been reduced 15%, will the final cost be the same as a discount of
45% on the original price? Work through an example to help explain your
answer.
5. Solve the following computations. Show your work.
a. 439.6 – 95.78 =
b. 19.65 + 13.6
- 4.75 x 6.85
- 9.8 ÷ 3.02
6. Write a complete fact family for each problem.
a. 13.7 + 16.8 = 30.5b. 2.2 x .4 = .88
7. The weight of an object is affected by gravity. Something that weighs one
pound on Earth will weigh 2.5 times that on Jupiter.
- If a rock weighs 5 pounds on Earth, what will it weigh on Jupiter?
- If a rock weighs 35 pounds on Jupiter, what will it weigh on Earth?
8. Suppose that your dad gives you $30 to go to Walmart. There is an 8%
sales tax. You buy the following items:
t-shirt $7.18
socks$4.52
belt$9.49
hat$4.88
- How much will these things cost? Show your work.
b. Will you have enough money left to eat a $5.59 meal at Subway?
Explain.
Name:______Date:______Math 7 - ____
Unit Test – VERSION A
Bits and Pieces III
1. Solve the following computations. Show your work.
a. 11.46 + 32.917 =
b. 8.29 – 3.112 =
c. 12.3 x 4.2 =
d. 136.8 ÷ 0.8 =
2. Paul took a trip in May. The price of gasoline that he paid during his trip
was $1.50 per gallon. He filled his van four times over the trip. The
amounts he bought were: 15.082 gallons, 15.784 gallons, 14.804 gallons, and
15.331 gallons.
a. How much gasoline did he buy on the trip?
b. What was his total cost for gasoline on the trip?
- His odometer (measures distance traveled) read 23, 451.1 miles when he
pulled out of his driveway and 24, 809.4 miles when he returned. How
many miles did he travel on his trip?
3. If a toy store offers an additional 25% discount on board games that have already been reduced by 30%, will the final cost be the same as a discount of 55% on the original price? Work through an example to help explain your answer.
4. The total bill for drinks and a pizza for three people is $14.90 before tax.
a. The sales tax is 5%. What will be the amount added to the bill for the
sales tax?
b. The group wants to leave a 15% tip on the cost of the food, not
including the tax. What will be the amount added to the bill for the tip?
c. How much should each person pay if they are to share the bill equally?
5. Suppose your mom gives you $20 to go to the school supplies store. The
state charges 6% sales tax on supplies. You need to buy the following
items:
pencils$1.29
notebook binder$5.99
paper$3.49
high-lighter pens$2.35
- How much will the supplies cost? Show your work.
- Will you have enough money left to but your favorite lunch that costs
$5.39? Explain.
6. Ms. Sze is grading math tests. A student’s work on a problem is given below:
0.23 x 2.07 = 0.04761
Is the student correct? Explain.
7. Write a complete fact family for each problem.
a. 12.4 – 3.2 = 9.2b. 3.2 x 4.1 = 13.12
8. The weight of an object is affected by gravity. Something that weighs one pound
on Earth will weigh 1.08 times that on Saturn.
a. If a rock weighs 3 pounds on Earth, what will it weigh on Saturn?
b. If a rock weighs 3.24 pounds on Saturn, what will it weigh on Earth?