Math Review

LCM/LCD

100

35, 60, 90

1260

200

17, 33, 45

8415

300

14, 94, 300

98,700

400

5/8 - 1/2 + 1/4

3/8

500

3/5+4/7=1/3

88/105

Variables and Evaluation

100

xy+yx if y =100 and x = 1

200

200

mpx+mx 

if (m = 6) (x = 3) (p=4)

90

300

xy+2m

If x =2, m = 3, y = 4

14

400

xym+xy

If x =3, m = 4, y = 6

90

500

mx + 4m

if z = 59, L = 22, m = 5, q = 1, x = 2/3

23 1/3

Adding/Subtracting Mixed Numbers

100

2 1/4 + 3 1/8 + 7 1/2

12 7/8

200

4 1/4 - 1 1/8

3 1/8

300

421 3/5 + 274 1/20

695 13/20

400

461 1/3 - 82 13/15

378 7/15

500

548 6/8 - 31 1/16

517 11/16

Rate/Rate Word Problems

100

Write two ratios for this statement:

20 apples cost 10 dollars

20 apples/10 dollars, 10 dollars/20 apples

200

Write two ratios for this statement:

2 talks in class costs 1 work detention

2 talks/1 work detention, 1 work detention/2 talks

300

Rubella was paid $28 for working 7 hours. Write the two ratios implies by this statement. How much was she paid for a 40 hour week?

28 dollars/7 hours, 7 hours/28 dollars

$160

400

The squirrel could store 48 nuts per hour. Write the two ratios implied by this statement. How many nuts could the squirrel store in 20 hours?

48 nuts/1 hour, 1 hour/48 nuts

960 nuts

500

Double Jeopardy

Everyone can wager up to 2000 points 

Gold costs $2656.57 per ounce

Write the two ratios implied. How many ounces could I buy with $23909.13 

2656.57 dollars/1 ounce, 1 ounce/2656.57 dollars

9 ounces