7th grade math review

Calculate the surface area of a rectangular prism with dimensions 4 cm × 5 cm × 6 cm.

• 10 cm²

• 60 cm²
• 72 cm²
• 120 cm²

Tags

CCSS.7.G.B.6

1. What is the value of the digit 6 in the number 4,569,812?

• 6,000,000
• 500,000

• 60,000
• 6,000

Tags

CCSS.4.NBT.A.1

1. Simplify the expression: 5(3x + 2) - 4(2x - 7).

• 7x + 34
• 15x + 10
• 7x - 34
• 15x - 10

Tags

CCSS.6.EE.A.3

1. The ratio of boys to girls in a class is 3:5. If there are 24 girls, how many boys are there?

• 15
• 18
• 20
• 14

1. Solve for x: 2(x + 4) - 3(x - 1) = 14.

• x = 2
• x = 3
• x = 4
• x = 5

Tags

CCSS.8.EE.C.7B

1. Find the circumference of a circle with a radius of 5 units (use π = 3.14).

• 31.4 units
• 15.7 units
• 10 units
• 25 units

Tags

CCSS.7.G.B.4

1. Convert the fraction 5/8 to a decimal.

• 0.625
• 0.58
• 0.85
• 0.562

1. Convert the fraction 5/8 to a decimal.

• 0.625
• 0.58
• 0.85
• 0.562

1. Simplify: (3a^2b^3)^2.

• 9a^4b^6
• 6a^4b^6
• 9a^2b^3
• 6a^2b^3

Tags

CCSS.HSA.APR.A.1

The length of a rectangle is 4 cm more than twice its width. If the perimeter of the rectangle is 24 cm, find its dimensions.

• Length: 8 cm, Width: 4 cm
• Length: 10 cm, Width: 2 cm
• Length: 6 cm, Width: 6 cm
• Length: 7 cm, Width: 5 cm