Addition and subtraction equations

Solve
4 = 2 + x

• x = 6
• x = 2
• x = 8
• x =-2

Tags

CCSS.6.EE.B.7

Solve
12 = y + 5

• y = 17
• y = -7
• y = 8
• y = 7

Tags

CCSS.6.EE.B.7

Solve
34.7 = y + 5.3

• y = 29.4
• y = 30.4
• y = 28.4
• y = 40

Tags

CCSS.6.EE.B.7

Solve
4.7 = y + 1.34

• y = 6.04
• y = 1.81
• y = 3.46
• y = 3.36

Tags

CCSS.6.EE.B.7

Together Brissa and Tania have 12 cats. If Brissa has 3, write an equation to find out how many cats Tania has.

• 12 - 3
• 12 = x - 3
• x + 3 = 12
• x = 9

Tags

CCSS.HSA.CED.A.3

Solve
x - 9 = 15

• x = 6
• x =-6
• x = 23
• x = 24

Tags

CCSS.6.EE.B.7

Solve
x - 11 = 3

• x = 9
• x =-9
• x = 14
• x = 13

Tags

CCSS.6.EE.B.7

Solve
17 = x - 20

• x = 3
• x = 37
• x = -3
• x = -37

Tags

CCSS.6.EE.B.7

Solve
1.54 = x - 2.9

• x = 4.44
• x = 1.36
• x = 4.34
• x = 1.37

Tags

CCSS.6.EE.B.7

Erica is 4 years old. This is 12 years younger than her sister Jessica. Write an equation to find Erica's age.

• 12 + 4
• 12 - x = 4
• x - 12 = 4
• x + 12 = 4

Tags

CCSS.HSA.CED.A.3