Test Prep: Math Common Core Grade 7

Which expression is equivalent to the algebraic expression below?     3(–2x – 1)

• x+2
• x-1
• -6x-3
• -6x-1

A sprinter runs 400 meters in 54 seconds. What is the runner’s average running rate in meters per second? Round to the nearest tenth. 

• 8.5 meters per second
• 7.8 meters per second
• 7.4 meters per second
• 6.8 meters per second

. If Michelle rollerblades around a circular track with a radius of 80 meters, how far does she skate? Use 3.14 for π. Round to the nearest tenth. 

• 251.2 m
• 502.4 m
• 12,352 m
• 20,096 m

Megan surveyed a random sample of 60 students at her school and found that 42 of them ride the bus to school each day. If there are 320 students at Megan’s school, about how many of them ride the bus to school each day?

• 348
• 224
• 188
• 132

A home improvement store normally sells 20-foot extension ladders for $225. This week the ladders are discounted by 20%. What is the sale price of the ladders?

• 180
• 165
• 60
• 45

4(x + 1) = -16

• -3
• -5
• -63
• -65