Math Review

Number Sense 1

100

101 x 37

3737

200

24 x 111

2664

300

26 x 11

286

400

What is the additive inverse of 82?

-82

500

What is the multiplicative inverse of 81?

1/81

Number Sense 2

100

15 x 42=

630

200

25 x 36=

900

300

11111 x 11111

123454321

400

Area of a circle with diameter 28

196pi

500

How many diagonals does an octagon have?

20

Target/Sprint 1

100

2x + 7= 22, what is x?

7.5

200

A diamond square is inside a larger square with area 24. What is the area of the inside square?

12

300

Area of a triangle with side lengths 5, 12, and 13

30

400

What is the sum of the exterior angles of a hexagon?

360

500

What is the angle of each interior angle of a hexagon?

72

Target/Sprint 2

100

How many ways can you rearrange the letters of the word MATH?

24

200

Area of a cylinder with radius 6 and height 4

144pi

300

Area of a cone with radius 6 and height 4

48pi

400

A triangle has a line between its right angle and the middle of its hypotenuse. This line has length 8. The area of the triangle is 24. What is the side length of the hypotenuse?

6

500

A circle is inscribed in a square. The area of the square is 64. What is the area between the circle and the square? Express your answer in terms of pi.

64-16pi

Number Sense 3

100

25^2

625

200

What is the sum of the first 24 odd numbers?

576

300

The sum of the first 15 numbers is...

120

400

4:9 as 9:x

20.25

500

Which is less? 4/5 or 7/9

7/9