Ten free 7th grade word problems about coding, with an answer key. Type your kid's first name and every problem is about them; press "New problems" for a fresh sheet as often as you like.
This sheet mixes proportions, percent increase and decrease, sale prices, simple interest, adding and subtracting integers, and two-step equations. Each problem is built from a checked math template, so the numbers change every time but the answers are always right; only the story is about coding.
Print it, or let your kid work it on screen and check each answer as they go. No sign-up, and the name you type stays on your device.
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Coding Math
7th Grade · Proportions · Percent increase and decrease · Sale prices · Simple interest · Adding and subtracting integers · Two-step equations
Name Date
Sam places enemy sprites and coin sprites in a ratio of 7:3 in a game level. How many enemy sprites go with 9 coin sprites?
Answer:
Last month, Sam had 120 lines of code in a game project. Now Sam has 180. What is the percent increase?
A. 50%
B. 33.33%
C. 60%
D. 25%
Sam wants a computer mouse that costs $20. It goes on sale for 75% off. What is the sale price?
Answer:
Sam put $700 of birthday and allowance savings into a savings account that pays 6% simple interest per year. How much interest will the money earn in 3 years?
Answer:
Sam keeps track of how much the score changes in a game being tested: +4 points in the first test run and -10 points in the second test run. What is the total change?
Answer:
Sam has $10 saved toward a robotics kit. After adding the same amount each week for 5 weeks, Sam has $40. Solve 5x+10=40 to find x, the number of dollars added each week.
A.x=10
B.x=8
C.x=30
D.x=6
Sam places enemy sprites and coin sprites in a ratio of 9:2 in a game level. How many enemy sprites go with 8 coin sprites?
Answer:
Last week, 20 players tried the coding club's new game. This week, Sam counted 24. What is the percent increase?
A. 20%
B. 16.67%
C. 4%
D. 10%
At the electronics store, a robotics kit usually costs $60. This week it is 75% off. How much will Sam pay for it?
Answer:
Sam put $900 of birthday and allowance savings into a savings account that pays 4% simple interest per year. How much interest will the money earn in 2 years?
Answer:
The key always prints on its own page.
Answer key
Coding Math · 7th Grade
21Cross-multiply:7×9=63,thendivideby3:x=21.
A. 50%Percentchange=(change÷original)×100=(60÷120)×100=50%.
5.0075%of20is15,sothesalepriceis20−15=$5.00.
126.00700×0.06×3=$126.00.
-64+-10=-6.
D. x=6Undothe+10first(subtractfrombothsides),thenundothe×5(dividebothsides):x=6.
36Cross-multiply:9×8=72,thendivideby2:x=36.
A. 20%Percentchange=(change÷original)×100=(4÷20)×100=20%.
15.0075%of60is45,sothesalepriceis60−45=$15.00.
72.00900×0.04×2=$72.00.
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Questions parents ask
Are these worksheets really free?
Yes. Make, print, and play as many sheets as you like, no account and no card.
Is there an answer key?
Yes. It prints on its own page after the problems, and each answer comes with a short explanation.
Can I put my kid's name in the problems?
Yes. Type a first name and every problem uses it. The name is only used on this page in your browser; it is not sent anywhere or saved.
What does the 7th grade sheet cover?
Proportions, Percent increase and decrease, Sale prices, Simple interest, Adding and subtracting integers, and Two-step equations. You can also pick a single topic for a focused sheet.
Can my kid do it on screen instead of paper?
Yes. "Play on screen" lets them answer each problem and see right away whether it is right, with a hint when it is not.
Is there more than worksheets?
Mathbloom builds whole interactive courses around what a kid loves. You can try a free coding lesson for 7th grade with no sign-up.