1.3.5 PRETEST: Solving Equations Using Addition and Subtraction

What is the solution to x + 9 = 21?

• x = 12

• x = 30

• x = 9

• x = 18

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the solution to x + 12 = 25?

• x = 13

• x = 37

• x = 12

• x = 24

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the solution to x + 11 = 26?

• x = 15

• x = 37

• x = 11

• x = 22

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Select the equation and solution for this situation.

15 less than a number is 22.

• x – 15 = 22

  x = 37

• x – 15 = 22

  x = 7

• x + 15 = 22

  x = 37

• 22 – 15 = x

  x = 7

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Select the equation and solution for this situation.

11 less than a number is 24.

• x – 11 = 24

  x = 35

• x – 11 = 24

  x = 13

• x + 11 = 24

  x = 35

• 24 – 11 = x

  x = 13

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Select the equation and solution for this situation.

17 less than a number is 23.

• x – 17 = 23

  x = 40

• x – 17 = 23

  x = 6

• x + 17 = 23

  x = 40

• 23 – 17 = x

  x = 6

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Which situation can be represented by the equation x + 6 = 13?

• Two friends played 13 games of chess. One friend won 6 games. What is x, the number of games the other friend won?

• Zoltan spent $13 on a shirt and $6 on sunglasses. What is x, the total amount that he spent?

• Ryder has 13 herb plants and 6 tomato plants in his garden. What is x, the total number of plants in Ryder's garden?

• Dorina ran 6 laps around the track at practice on Tuesday. On Thursday, she ran 13 laps. What is x, the total number of laps that Dorina ran?

Which equation can be represented by the equation x + 7 = 12?

• Ryder has 12 plants in his garden. This includes 7 tomato plants. What is x, the number of plants in Ryder's garden that are not tomato plants?

• Zoltan spent $12 on a shirt and $7 on sunglasses. What is x, the total amount that he spent?

• Two friends are playing chess. One friend won 7 games and the other won 12. What is x, the total number of games played?

• Dorina ran 7 laps around the track at practice on Tuesday. On Thursday, she ran 12 laps. What is x, the total number of laps that Dorina ran?

Which situation can be represented by the equation x + 8 = 14?

• During two days of practice, Dorina ran a total of 14 laps around the track. One day she ran 8 laps. What is x, the number of laps that Dorina ran on the second day?

• Zoltan spent $14 on a shirt and $8 on sunglasses. What is x, the total amount that he spent?

• Ryder has 14 herb plants and 8 tomato plants in his garden. What is x, the total number of plants in Ryder's garden?

• Two friends are playing chess. One friend won 8 games and the other won 14. What is x, the total number of games played?

What is the solution to x – 3.5 = 6?

• x = 9.5

• x = 4.1

• x = 2.5

• x = 2.9