Math Review

Order of Operations

100

 Compute: (6+3²)÷(1+2)+5

What is 10?

200

Compute: (6+2)×3

What is 24?

300

Compute: 2³×(5−2²)+6

What is 14?

400

Compute: 8−3²+10

What is 9?

500

Compute: 31-27÷ 9 x 7 + 10

What is 20?

Perimeter

100

Find the perimetet of rectangle that has a length of 12 cm and a width of 5 cm.  

What is 34 cm?

200

Find the perimeter of a triangle with sides 7, 9, and 11. 

What is 27?

300

A square has a perimeter of 48 inches. Find the length of one side. 

What is 12 inches?

400

A triangle has sides 3x, 2x+4, and x+8. If the perimeter is 42 cm, find the value of x.

What is 6?

500

A square has sides that each measure 5x − 2 inches. A parallelogram has two sides that each measure 3x − 5 inches and two sides that each measure 7x + 1 inches. For what value of x will the square and the parallelogram have the same perimeter?

What is infinitely many solutions?

Exponents

100

Simplify: 2³×2²

What is 2⁵ or 32?

200

 Write in scientific notation: 45,000,000.

What is 4.5 x 10⁷?

300

Simplify: 5⁴/5²

What is 5² or 25?

400

(8k) (6k³)

What is 48k⁴?

500

m² + 2m² + 3m²

What is 6m²?

Solving Equations

100

Solve: x+7=12

What is 5?

200

Solve: −3+m=−10

What is -7?

300

 Solve: 3x−4=2x+5

What is x = 9?

400

Solve: 2(x+3)=14

What is x = 4?

500

Solve: 1/3(9x−6)=12

What is x = 4?

Mystery

100

5−(−3)

What is 8?

200

 −6×−2

What is 12?

300

 −24÷6

What is -4?

400

−4+7

What is 3?

500

(-3)²+4(−2)

What is 1?