6.3 Solve for Unknown Number

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

Tags

CCSS.6.EE.B.7

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.4.NBT.B.6

36 = ? x 9

• 5

• 4

• 3

• 6

Tags

CCSS.3.OA.A.4

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.2.NBT.B.5

9 X n = 36

• 4
• 3
• 5
• 6

Tags

CCSS.3.OA.A.4

A school band maraches in rows at a parade. There is a total of 35 band members. There are 5 members in each row. How many row of band members are there? Let "r" stand for the number of rows of band members. Choose ALL the equations that can be used to solve the problem.

• 35 = r x 5

• r = 35 x 5

• r = 5 x 35

• r = 35 / 5

Tags

CCSS.3.OA.A.3

What is the correct equation for the problem? You had some candy. Your little brother steals 15 pieces. Now you have 12 pieces left. How much candy did you have to start with?

• c - 15 = 12

• c + 15 = 12

• 15 - 12 = c

• 15 - c = 12

Tags

CCSS.HSA.CED.A.3

Solve the following equation:

50 + n = 75

Tags

CCSS.1.OA.D.8

3 x W = 12

• w= 3

• w = 5

• w = 4

Tags

CCSS.3.OA.A.4

Ms. Hunt has 24 pugs. She divides them into 4 equal groups. How many pugs are in each group?

• 8 pugs

• 6 pugs

• 7 pugs

• 9 pugs

Tags

CCSS.3.OA.A.3