Substitution Introduction

A synonym for solve.

Tags

CCSS.L.11-12.4C

CCSS.L.6.4C

CCSS.L.7.4C

CCSS.L.8.4C

CCSS.L.9-10.4C

This is a letter that can be replaced by any given value (e.g. $t$ ).

Tags

CCSS.6.EE.A.2B

Evaluate the expression $0.1m+8-12n$ when $m=30$ and $n=\frac{1}{4}$  

Tags

CCSS.6.EE.A.2C

Evaluate the expression $5w-\frac{w}{x}$ when $w=6$ and $x=2.$  

Tags

CCSS.6.EE.A.2C

Evaluate the expression $8+\frac{w}{4}$ when $w=16.$  

Tags

CCSS.6.EE.A.2C

Evaluate the expression $\frac{p}{2}-5$ when $p=14.$  

Tags

CCSS.6.EE.A.2C

Evaluate the expression $13-0.75w+8x$ when $w=12$ and $x=\frac{1}{2}.$  

• 3

• 4.5

• 8

• 13

Tags

CCSS.6.EE.A.2C

Evaluate the expression $ab-0.5b$ when $a=1$ and $b=5.$  

• 2.5

• 0

• 15.45

• -5

Tags

CCSS.6.EE.A.2C

Evaluate the expression $\frac{3}{7}r+\frac{5}{8}s$ when $r=14$ and $s=8.$  

• 7

• 11

• 15

• 24 $\frac{8}{15}$  

Tags

CCSS.6.EE.A.2C

Evaluate the expression $8r-rs$ when $r=6$ and $s=5.$  

• -23

• 116

• 18

• -17

Tags

CCSS.6.EE.A.2C