7th grade October Math Review

Rational Numbers

100

Rational numbers include all numbers positive and ...

NEGATIVE

200

When subtracting rational numbers, step one is to change the minus to a 

PLUS

300

When multiplying rational numbers a negative times a negative is equal to a ...

POSITIVE

400

When subtracting rational numbers, after you have changed the minus sign to a plus, then you

DO THE OPPOSITE

500

When multiplying rational numbers, a positive times a negative is equal to a 

NEGATIVE

Algebra

100

What is the opposite of addition

subtraction

200

What is the opposite of multiplication

division

300

In this equation, what is the 3 doing to the x

3x - 4

multiplying

400

What does "squared mean"

A number times itself

500

Solve this problem:

5x = 40

x = 8

Patterns

100

2, 5, 8, ___, ___

11, 14

200

20, 18, 16, ___, ___

14, 12

300

6, 12, 18, 24, ____, ___

30, 36

400

Cash, Kieran, Payton, Desmond, Blake, ______

boy's name, boy's name, girl's name

500

3, 6, 10, 15, 21, ___, ____

28,    36

PEMDAS

100

What does the "D" stand for in PEMDAS

division

200

(2+4) + (3-2) =

7

300

3^{2 +} (5-2) = 

12

400

Why do we use PEMDAS in Math?

to know which order to solve problems

500

Each letter in PEMDAS stands for...

P -Parentheses

E- Exponents

M- Multiply

D - Division

A - Add

S - Subtract