Unit 1 Review

Add/Subtract Decimals

100

1.8 + 3.1

4.9

200

36.5 - 22.3

14.2

300

418.5 + 59.64

478.14

400

573.2 - 398.185

175.015

500

To get to school each morning, Bluey takes a horse 19.33 kilometers and a train 2.27 kilometers. In total, the journey takes 26.48 minutes. How many kilometers is Bluey's journey in total?

21.6 kilometers

21.60 kilometers

Multiply Decimals

100

4.1 x 2

8.2

200

2.32 x 5.6

12.992

300

23.9 x 0.48

11.472

400

3.9 x 152.6

595.14

500

Apples cost $1.85 per kilogram. Bingo bought 2.6 kilograms of apples. What is the total cost of the apples Bingo bought?

$4.81

Divide Decimals

100

8 ÷ 20

0.4

200

8.4 ÷ 7

1.2

300

7 ÷ 0.25

28

400

1883 ÷ 14

134.5

500

The Heeler family is splitting 7 gallons of gasoline between their 4 cars. How many gallons of gas can they put in each car?

1.75 gallons

Fraction Equations

100

3/4 x 3/4 

9/16

200

3 x 9/10

27/10 

or

2 7/10

300

2/5 ÷ 1/7

14/5 

or

2 4/5

400

4 2/3 ÷ 1/2

28/3 

or

9 1/3

500

Chilli was able to fill 6 2/3 equally sized buckets with a total of 33 1/3 liters of paint. How much paint was in each bucket?

5 liters

Multi-Step Problems

100

Bandit runs a website that helps writers write better stories. every month, Bandit receives a subscription fee of $5 from each subscriber to his website. The website had 200 subscribers last month. This month, 40 new members joined the website, but 10 members cancelled their subscription. How much money will Bandit's business earn this month?

$1150

200

Bandit runs a website that helps writers write better stories. every month, Bandit receives a subscription fee of $5 from each subscriber to his website. The website had 200 subscribers last month. This month, 40 new members joined the website, but 10 members cancelled their subscription. How much more money does Bandit's business earn this month than last month?

$150

300

Chloe is baking cookies to sell at a school fundraiser. Each batch of cookies needs 2.5 cups of flour and makes 1 dozen cookies. She plans to make 4 batches of cookies. 

1. How many cups of flour does she need in total?

2. If she sells each dozen for $3.15, how much will she make if she sells all the cookies?

1. 10 cups of flour

2. $12.60

400

Coco is baking bread. She has 12 1/4 cups of flour. Each batch of bread needs 2 1/2  cups of flour. She has 3 bread pans. 

1. How many whole loaves of bread can Coco make with the flour she has?

2. If bread pans cost $3.20, how much will it cost Coco to have enough bread pans for loaves of bread?

1. 4

2. $3.20

500

A recipe for muffins calls for 2/3 cup of flour per batch.

Bingo wants to make 7 batches.

Flour is sold in 10-pound bags, and 1 pound of flour = 3 1/3 cups.

Questions:

1. How many cups of flour does Bingo need to make 7 batches?

2. How many pounds of flour does she need?

3. Does she need more than one 10-pound bag of flour?

1. Bingo needs 4 2/3 cups of flour.

2. 1 2/5 pounds of flour.

3. No, she does not need more than one 10-pound bag.