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

3 ÷ 0.1 =

What is 30

100

True or false

0.208 > 0.45 

False

200
13.7 + 6.80
What is 20.50
200
17.4 - 7.9 =
What is 9.5
200

6 * 0.4 =

What is 2.4

200

4.21 ÷ 0.01 =

What is 421

200

What is the standard form for:

(1 x 10) + (2 x 1) + (8 x 1/100) + 5 x 1/1000)

What is12.085

300
26.075 + 3.63 =
What is 29.705
300

721 - 0.03 =

What is 720.97

300

4.5 * 0.7 =

What is 3.15

300

0.75 ÷ 3 =

What is 0.25

300

What is 2.358 rounded to the nearest tenth? the nearest hundredth?

What is 2.4  and 2.36

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

8 ÷ 0.02 =

What is 400

400

What number is the 3 represent  1/100 the value of the 3 in 17.300?

What is any number with 3 in the thousandths place.

500
576 + 8.7431 =
What is 584.7431
500
300 - 7.465 =
What is 292.535
500
637.9 * 2.62 =
What is 1671.298
500

14.2 ÷ 0.1

What is 142

500

Mrs. Bustamante runs a marathon in 3.25 hours. Ms. Salcido takes 1.6 times as long to run the same marathon. How many hours does it take Ms. Salcido to run the marathon?

What is It will take Ms. Salcido 5.2 hours to run the marathon

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