Solving Equations and Inequalities Mentally, 6th Grade, RMS

Solving One Step Equations Mentally

Unit 4: Equations & Inequalities

Multiple Choice

Anna bought a package of six pairs of socks. She writes the equation below to find how much she paid per pair. Which of the following is the solution to the equation?

6x = $9

 

• $0.50

• $1.50

• $2.00

• $2.50

Multiple Choice

Is the 3, 4, 5, or 6 the solution of the equation c + 8 = 13

• 3

• 4

• 5

• 6

Fill in the Blank

Solve 9 - x = 2 mentally

Multiple Choice

Is 2, 3, 4, or 5 the solution of the equation 4n = 16

• 2

• 3

• 4

• 5

Fill in the Blank

 $\ 24\ \div w\ =\ 8$  

Solve mentally.

Multiple Choice

Mason bought 72 sticks of gum. There are 8 sticks of gum in each package. Use the guess, check, and revise strategy to solve the equation 8p = 72 to find p, the number of packages Mason bought.

• 6 packages of gum

• 7 packages of gum

• 8 packages of gum

• 9 packages of gum

Multiple Choice

The difference between an ostrich's speed and a chicken's speed is 31 miles per hour. An ostrich can run at a speed of 40 miles per hour. Use mental math or the guess, check, and revise strategy to solve the equation 40 - c = 31 to find c, the speed a chicken can run.

• 6 miles per hour

• 7 miles per hour

• 8 miles per hour

• 9 miles per hour

Poll

Rate your level of understanding so far in this lesson:

• I understand completely!

• I don't understand at all.

• I understand very little.

Multiple Choice

Of the numbers 7, 8, 9, or 10, which is a solution of the inequality

n - 3 > 6

• 7

• 8

• 9

• 10

Multiple Choice

a + 7 > 15, a = 9

• yes

• no

Multiple Choice

 $n-4<6,\ n=10$  

• yes

• no

Multiple Choice

 $12\ge5+g,\ g=7$  

• yes

• no

Multiple Choice

 $22\ \le15\ +\ b,\ b\ =6$  

• yes

• no

Multiple Choice

• Monday, Tuesday, Wednesday

• Monday, Wednesday, Friday

• Friday, Saturday, Sunday

• Friday and Saturday

Poll

Rate yourself!

• I understand how to solve inequalities

• I still have some questions about solving inequalities