7th Grade Math Project

Vocabulary

100

the result of multiplication 

product

200

to find the value of an expression

evaluate

300

a process or result of finding a value using mathematics

calculation

400

numbers that are the same distance from 0 on the number line but in opposite directions. They have the same numeral, but opposite signs. Also called the additive inverse.

opposite numbers

500

to rewrite an expression as a product of factors

factor(verb)

Algebraic Expressions

100

x + 3 = 6

x = ?

x = 3

200

6 + x = 20

m = ?

m = 20

300

2r + 1 + (-4r) + 7 

-2r + 8

400

-3x - 6 + (-1)

-3x + -7

500

2x - 10 + 7x + 5 

9x - 5

Multiplication

100

100 x 36

3600

200

50 x 12 

600

300

43 x 14

602

400

56 x 23 

1288

500

78 x 66

5148

Inequalities

100

5 + x > 11

x = ?

x = 6

200

15 - x < 4

x = ?

x = 12

300

5 x X > 55

X = ?

X = 12

400

15.50 + x > 22 

x = 7.50

x = 7.50

500

20.7 x X > 41.4

X = ?

X = 2