Decimals blue
Decimals red
Decimals yellow
Adding and Subtracting
Challenge
100

Which digit is in the tenths place in 21.83 

8

100

What is 10.78 rounded to 1 decimal place?

10.8

100

Express 1 ten + 2 ones +3 tenths + 4 hundredths as a decimal.

12.34

100

0.2 + 0.5 + 0.6 +0.9 +0.8 +0.4 +0.5 + 0.1 + 0.7 =

4.7

100

A piece of string is 1.45m long. Express the length in meters as a mixed number in simplest form.

1 9/20

200

What number is 0.1 more than 34.56

34.66

200

Complete the number pattern. 

12.8, ____ 13, 13.1, ____, ____

12.9, 13.2, 13.3

200

Express 0.12 as a fraction in simplest form.

12/100 or 3/25 

200

7.8 + 0.9 =

8.7

200

Hannah has $34.50 more than Clemens. Clemens has $132.30. Paula has $14.80 less than Clems. They want to combine their money to buy a raft that costs $449.29. How much more money do they need? 

Hint: draw a bar model!

$32.69 more 

300

Which of the following is the least number? 

0.99, 1, 0.3, 3.1

0.3

300

10 + 0.1 + 0.03 =____

10.13

300

The length of a rope is 1.58m. Round the length to one decimal place.

1.6m

300

4.8 +0.5 = 

5.6

300

689 X 435

299,715

400

What is 4.48 lb rounded to the nearest whole number of pounds? 

4 lb

400

7 + _____ + 0.05 = 7.25

0.2

400

Write the numbers in increasing order

15.12, 15.05, 15.27, 15 1/4

15.05, 15.12, 15.25, 15.27

400

6.1 - 0.9 =

5.2

400

Two bags of beans together weighed 15.82 kg. Bag A weighed 7.45 kg. After some beans were transferred from Bag B to Bag A, Bag A weighed 10 kg. What is the weight of Bag B now? Express your answer as a decimal. 

5.82 kg

500

Which of the following is equal in length to 12 cm? 

1.2m, 0.12m, 12m, 120m

0.12m

500

What values are the same as nine tenths? 

9.0, 9/10, 90, 0.9

0.9, 9/10

500

Sandy spent $28.30 at the market. Round the amount she spent to the nearest dollar. 

$28

500

9.4 -0.7 = 

8.7

500

Express the sun of 6 7/20, 2.4, 8/25 and 4, 12 as a decimal.

13.19

M
e
n
u