Ms. Graves' Math Calculation Challenge

+ or - Decimals Numbers

100

78.16 + 9.23 = 

87.39

200

136.14 - 47.71 = 

88.43

300

138.13 + 1.942 = 

140.072

400

79.683 - 25.29 = 

54.393

500

27 - 14.27 = 

12.73

x or / Decimal Numbers

100

1.37 x 71 = 

*You can use a multiplication chart if needed:)

97.27

200

1016 / 8 = 

127

300

235 x 15 = 

3,525

400

9,760 / 5 = 

1,952

500

36.81 / 9 = 

4.09

+ or - Fractions

100

1/2 + 1/4 = 

3/4

200

4/5 - 5/20 = 

11/20

300

3/6 + 4/12 = 

10/12 (bonus - 5/6)

400

9/10 - 4/5 = 

1/10

500

7/8 + 2/3 = 

37/24 = 1 13/24

x or / Fractions

100

3/5 x 2/3 = 

6/15 (bonus = 2/5)

200

3/7 divided by 4/7 =  

3/4 (*common denominator)

300

10/12 x 2/3 = 

20/36 (Bonus - 10/18 or 5/9)

400

4/5 divided by 5/4 = 

20/20 = 1

500

3/6 divided by 2/3 = 

9/12 (Bonus - 3/4)

Math I Should Know

100

4²

4 x 4 = 16

200

5²

5 x 5 = 25

300

Round to the nearest hundredths place:

0.343

Round to the nearest tens place:2.473

400

What is Ms. Graves' two favorite colors?

Pink and Blue

500

Solve for x if x = 5

2x + 7 =