Mathematics

Evaluate expressions

100

Evaluate:

65r-42s; r=8 and s=2 

436

200

Evaluate:

678 x 41d; d=4

111,192

300

Evaluate:

43s+64r; s=2, r=6

470

400

Evaluate:

3+64d-7; d=4

252

500

Evaluate: 

643 x 789s; s=4

2,029,308

Equivalent expressions

100

Find something equivalent to 2(4x)+7

A. 3x

B. 8x+7

C. 4x-7

D. 8x

B. 8x+7

200

Mariah has to find expression equivalent to 7 x 56s-4s. What was it?

7 x 52s

300

What is equivalent to 7(5+s)?

A. 35+7s

B. 34+7s

C. 105

A. 35+7s

400

64(7-6)+6s is equivalent to what expression?

A. 72+8

B. 66-7

C. 64+6s

C. 64+6s

500

654(56+7)-4d is equivalent to what number?

41,202-4d

Mixed bag

100

Y’all get an easy break!!

896 x 75r; r=4

What does this equal?

268,800

200

What is equivalent to 6(65-7)+48r?

348+48r

300

 The rain fell for 60 minutes straight. Then the rain stopped for 48 minutes. Then it fell for 72 more minutes. What is the total amount of minutes the rain fell. 

132 minutes

400

856-75e; e=3

Evaluate 

631

500

Evaluate: 

756-34+45r; r=24

1,802