Writing and Solving Equations and Inequalities

Write the word sentence as an equation.

The sum of a number a and 17 is 21

• 
  

  $\frac{a}{17}=\ 21$

• $a+17\ =\ 21$

• $a+21=17$

• $21+17\ =\ a$

Tags

CCSS.HSA.CED.A.3

Write the word sentence as an equation.

14 is 7 times a number c

• 7 + c = 14

• $\frac{14}{c}=7$

• 14 = 7c
  

• 7 - c = 14

Tags

CCSS.HSA.CED.A.3

Write the word sentence as an equation.                                    

A number b divided by 6 equals 15

• $\frac{6}{15\ }=b$

• $\frac{15}{b}=6$

• 6b = 15
  

• $\frac{b}{6}=15$

Tags

CCSS.HSA.CED.A.3

Write the word sentence as an inequality.

A number n is no more than 100

• $n\le100$

• $n<100$

• $n\ge100$

• $n>100$

Tags

CCSS.6.EE.B.8

Write the word sentence as an inequality.

0 is greater than a number x

• $0<x$

• $0>x$

• $0\le x$

• $0\ge x$

Tags

CCSS.6.EE.B.8

Write the word sentence as an inequality.

The difference of a number p and 2 is at least 5

• 
  

  $2-p\ge5$

• $p-2\ge5$

• $2-p\le5$

• $p-2\le5$

Tags

CCSS.7.EE.B.4B

Write the word sentence as an inequality

A number b divided by 3 is less than 3.

• $3b<3$

• $3b\le3$

• $\frac{3}{b}<3$

• $\frac{b}{3}<3$

Tags

CCSS.6.EE.B.8

Tell whether the ordered pair is a solution of the inequality.

 $2z\le15;\ z=11$  

• No

• Yes

Tags

CCSS.6.EE.B.5

Tell whether the ordered pair is a solution of the inequality.

 $\frac{k}{3}>7\ ;\ k=21$  

• Yes

• No

Tags

CCSS.6.EE.B.5

Solve the equation

 $27\ =\ \frac{a}{0.8}$  

(a)  

Tags

CCSS.6.EE.B.7