Arithmetic

7th Grade

Arithmetic

Arithmetic

7th Grade Geometry

7th Grade Algebra

Fractions and decimals

Math Knowledge

100

What is 9^{2}?

81

100

It is exactly 90 degrees

What is a right angle?

100

The sum of a number and five is 15.

statement is?

n+5 = 15

100

What is the top number in a fraction called?

Numerator

100

What is the place value of the 4 in 3,427,891?

Hundred thousands place

200

What is 2^{3 }- 5

3

200

It is 360 degrees

What is a circle?

200

3n = 12

n =?

n = 4

200

What is half of 1/4?

1/8

200

What is a perfect square number?

a number that has the same factors.

ex. 64= 8x8 or 4= 2x2

300

5 x 10^{4}?

50,000

300

It is the area of a triangle.

What is length times width divided by 2?

300

8 = y + -5

13

300

How do I write 52 percent as a fraction?

52 / 100

300

What does it mean to be a prime number?

There are exactly two and only two factors that can multiply to that number

400

The factors of the number 12?

2, 3, 4, 6

400

It is the volume of a rectangular prism.

What is length times width times height?

400

4 = 22 – 6n

n= ?

n = 3

400

What is the fraction for 0.3?

3/10

400

What does the x-axis and y-axis represent?

x-axis is input and y-axis is the output

x-axis is cause and y-axis is effect

500

Greatest common factor of 15 and 18?

3

500

It is length times length times 6.

What is surface area of a cube?

500

How do you balance an equation?

By doing the opposite operation to both sides of the equal sign.

500

What is the decimal for 5/100?

0.05

500

What are the 3 main measures of central tendency?

Mean, Median, and Mode