Make the calculations mentally.

Type the answers in the boxes below.

1. 99+54 =

2. 244-99 =

3. 99 • 6 =

4. 99 • 15 =

Look at the following math problem. 150 : 3 = 50 In this problem, 50 is the result of the problem. What is 50 called in this math problem? a. quotient b. difference c. product d. sum

We learned that multiplying by i produces a 90° counterclockwise rotation about the origin. What do we ned to multiply by to produce a 90° clockwise rotation about the origin?

Which pair of numbers is relatively prime? A. 12 and 54 B. 9 and 21 C. 21 and 39 D. 15 and 49

The volume of a sphere is approximately 44.6022 cubic centimeters. What is the radius of the sphere to the nearest tenth of a centimeter?

A triangle that has angles 59, 37, and 84 is what kind of triangle?

As I was going to St. Ives I met a man with seven wives. Each of his wives had seven sacks, Each of the sacks held seven cats, Each of the cats had seven kitts. Kitts, cats, sacks, and wives. How many were going to St. Ives? Consider the poem.

Write a general rule for multiplying fractions

15 yards to 18 yards

Solve this (6 + 5) + 65

A is a horizontal bar used in mathematical notation; in fractions it is the bar that separates the numerator from the denominator, in repeating decimals it indicates a group of repeating numbers.