Integer Operations
Use counters to add -6 + 2.
Answer: -4
Solve: -15x = -90
Answer: 6
Find the circumference of a circle with diameter 20 inches.
Answer: About 62.8 inches
Find the missing number: 4:25 = x:100
Answer: 16
One acute angle in a right triangle is 28°. Find the other.
Answer: 62°
Is -144 ÷ -12 positive or negative?
Answer: Positive
Solve: x - (-15) = 62
Answer: 47
Find the area of a circle with radius 11 meters.
Answer: About 380.13 m²
Find the unit rate: 81 cookies in 9 bags.
Answer: 9 cookies per bag
Classify a triangle with sides 6, 6, 6.
Answer: Equilateral
Add: -7.3 + 12.8
Answer: 5.5
Solve: 3g + 12 = 39
Answer: 9
A circular garden has radius 4 feet. Find the area.
Answer: 50.24 ft²
Solve: 15/18 = j/6
Answer: 5
Find the surface area of a prism with dimensions 2, 5, and 8.
Answer: 132 square
Fill in the symbol: -7/8 ___ -0.9
Answer: >
Solve: 5b - 10 ≤ 20
Answer: b ≤ 6
Find the area of a triangle with base 10 and height 8.
Answer: 40 square units
Complete: ?% of $50 = $15
Answer: 30%
Find the surface area of a square pyramid with base side 4 and slant height 6.
Answer: 64 square units
Divide: -5/6 ÷ 1/3
Answer: -2 1/2
How many terms are in: 4x + 3y - 9 + 2ab?
Answer: 4
Find the complement of 42°.
Answer: 48°
Find the percent increase from 25 to 75.
Answer: 200%
Find the volume of a cylinder with radius 2 and height 10.
Answer: About 125.6 cubic units