Addition
Subtraction
Multiplication
Division
Challenge
100
5.6 + 3.3
What is 8.9
100
6.3 - 2.1 =
What is 4.2
100
3.7 * .6 =
What is 2.22
100
7.6 ÷ .2 =
What is 38
100

Change to a fraction and reduce if possible.

0.17

17/100

200
13.7 + 6.80
What is 20.50
200
17.4 - 7.9 =
What is 9.5
200
8.9 * 3.2 =
What is 28.48
200
5.1 ÷ .3 =
What is 17
200

Write the following number in expanded numeral notation

17.62

(1 x 10^1) + (7 x 10^0) + (6 x 10^-1) + (2 x 10^-2)

300
26.075 + 3.63 =
What is 29.705
300
136.7 - 21.54 =
What is 115.16
300
46.6 * .72 =
What is 33.552
300
1.80 ÷ .03 =
What is 60
300

Change to a fraction and reduce if possible.

1.25

1 1/4

or

1 25/100

400
473.62 + 21.897 =
What is 495.517
400
20.02 - 4.6 =
What is 15.42
400
36.71 * .36 =
What is 13.2156
400
11.40 ÷ 1.5 =
What is 7.6
400

Change to a decimal and use a reptend.

2/3

500
576 + 8.7431 =
What is 584.7431
500

300 - 7.465 =

What is 292.535

500

637.9 * 2.62 =

rounded to the hundreths

What is 1671.30

500

14.28 ÷ 4.28 rounded to 2 decimal places.

3.34

500
Order the decimals from smallest to largest.


0.2 , 1.3, 0.15, 0.21, 0.2023

0.15 < 0.20 < 0.2023 < 0.21 < 1.3

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