Ch.1 Test Review

Adding and Subtracting Decimals

100

3.45+5.21=

8.66

200

48.28-9.41=

38.87

300

5+8.325=

13.325

400

81.04+16.44+52=

149.48

500

(235.152+77.12)-46.326=

265.946

Multiplication/ Division

100

19 x 62=

1,178

200

986 divided by 29=

34

300

800 divided by 19

(If there is a remainder write with r)

42 r2

400

___ is divided by 7 > 800

5,601

500

20,835 divided by 180

(If their is a remainder write it as a fraction)

115 3/4

Prime Factorization

100

40

2 x 2 x 2 x 5

200

56

2 x 2 x 2 x 7

300

126

2 x 3 x 3 x 7

400

144

2 x 2 x 2 x 2 x 3 x 3

500

5005

5 x 7 x 11 x 13

Greatest Common Factor/Least Common Multiple

100

Find the LCM of 8 and 6

LCM:24

200

Find the GCF of 12 and 18.

GCF:6

300

Find the LCM of 5,8 and 4

LCM:40

400

Find the GCF and then write in Distributive property. 

40 + 15

5(8+3)

500

Pencils are sold in packages of 10, and erasers are sold in packages of 6. What is the least number of pencils and erasers you can buys that there is one pencil for each eraser with none left over?

30 of each

Multiplication/Division Decimals

100

6 x 12.5=

75

200

1.76 x 15=

26.4

300

205-(35.80 x 5.6)=

4.52

400

28.63 divided by 7

4.09

500

Ron divided 67.6 fluid ounces of orange juice evenly among 16 glasses. How much did he pour into each glass?

4.225 fluid ounces