Writing Two-Step Equations from Word Problems

What does the variable represent:

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

• Number of buses

• Number of students in each bus

• Number of cars

• Number of field trips

Tags

CCSS.HSA-SSE.A.1A

What equation best represents this problem:

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

• 6b + 7 = 331

• 7b + 6 = 331

• 331b + 7 = 6

• 331b + 6 = 7

Tags

CCSS.HSA.CED.A.3

What does the variable represent in this problem:

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• How much money Aliyah had left over

• How much Aliyah spent

• Cost of one pencil

• Cost of seven pencils

Tags

CCSS.7.EE.B.4A

What equation best fits this problem:

Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• 10p + 24 = 7

• 7p + 10 = 24

• 10p + 7 = 24

• 24p + 10 = 7

Tags

CCSS.HSA.CED.A.3

What does the variable represent in this problem:

Mr. Dent had 32 markers in his classroom. He buys new boxes of markers that have 9 markers in each box. Now, he has 86 markers. How many new boxes did he buy?

• the number of markers

• the classroom

• the total number of boxes

• the number of new boxes he bought

Tags

CCSS.7.EE.B.4A

What equation best fits this problem:

Mr. Dent had 32 markers in his classroom. He buys new boxes of markers that have 9 markers in each box. Now, he has 86 markers. How many new boxes did he buy? Let b be the number of boxes

• 86 + 9b = 32

• 9b - 32 = 86

• 32 + 9b = 86

• 32

Tags

CCSS.HSA.CED.A.3

What equation best fits this problem:

You bought a magazine and 4 erasers. The magazine cost $5. You spent a total of $25. Let e represent the cost of the eraser. How much did each eraser cost?

• 5 - 4e = 25

• 25 + 4e = 5

• 5e = 25

• 5 + 4e = 25

Tags

CCSS.HSA.CED.A.3

What equation best represents this problem:

Lee won 40 super bouncy balls playing horseshoes at her school's game night. Later, she gave two to each of her friends. She only has 8 remaining. How many friends does she have? Let f represent the number of friends.

• 8 + 2f = 40

• 40 + 2f = 8

• 40 - 2f = 8

• 40 x 2f = 8

Tags

CCSS.HSA.CED.A.3

What equation represents this problem:

Sam sold half of his comic books and then bought 6 more. He now has 14. How many did he begin with ? 

Let x represent the comic books he started with.

•   $\frac{x}{2}+\ 6\ =14$  

•  $2x\ +\ 6\ =\ 14$  

•  $\frac{x}{2}-\ 6\ =14$  

•  $2x\ -\ 6\ =\ 14$  

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Jim paid a gym membership fee of $50, plus $20 per month.  Jim has paid a total of $290 to the gym.  Which equation matches this situation?

• 50 + 20m = 290
• 20 + 50m = 290
• 50 + 20 = m
• 50m - 20 = 290

Tags

CCSS.HSA.CED.A.3