What are all the common factors of 21 and 18?
1 and 3
2/3 + 2/27 =
20/27
Convert 2/25 to a decimal.
0.08
An angle is 194 degrees. Is that angel acute, right, obtuse, or reflex?
reflex
What is the perimeter of a rectangle with a length of 14 m and a height of 17 m. (Include proper units in your answer!)
238 m
What is the LCM of 7 and 9?
63
2 15/16 - 3/4 =
2 3/16
Estimate and add 9.23 + 27.8
Estimate: something around 40
Answer: 37.03
A straight line is cut into two smaller angles. One angle measures 97 degrees. What is the measure of the other angle?
83 degrees
What is the area of a square with a height of 23 ft?
529 ft2
Identify which of these numbers are prime and composite: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12.
prime: 2, 3, 5, 7, 11
composite: 4, 6, 8, 9, 10, 12
neither: 0, 1
2/5 x 20 =
8
Estimate and solve 34.7 - 8.96
Estimate: something around 25
Answer: 25.74
An angle measures 76 degrees. What is the measure of its reflex angle?
284 degrees
A rectangle has a perimeter of 58 yd. Its height is 13 yd. What is its length?
16 yd
estimate: around 18,000
answer: 19,975
Convert 5 9/12 to an improper fraction that has been simplified.
69/12 = 23/4
Solve 17/8 with no remainder
Answer: 2.125
A figure has four sides where both pairs are parallel and all the sides are the same length. What is the term for this figure?
rhombus
The area of a square is 64 in2. What is its height?
8 in
Estimate and solve: 2496 / 6
Estimate: something around 400
Answer: 416
Convert 26/9 to a mixed number in simplest form.
2 8/9
Order the following from least to greatest: 0.47, 18/25, 0.62
0.47, 0.62, 18/25
A 90 degree angle is cut into three smaller angles. One angle measures 8 degrees. Another measures 47 degrees. What is the measurement of the third angle?
35 degrees
A cake has a length of 15 cm and a height of 12 cm. Miss Mulvey ate a piece from the middle with a length of 7 cm and a height of 5 cm. What is the area of the remaining cake?
145 cm2