Ten free 8th grade word problems about baking, 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 two-step equations, proportions, percent increase and decrease, simple interest, adding and subtracting integers, and mean (average) (8th-grade equation solving plus 7th-grade review). 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 baking.
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.
✦ Mathbloom · free worksheet
Baking Math
8th Grade · Two-step equations · Proportions · Percent increase and decrease · Simple interest · Adding and subtracting integers · Mean (average)
Name Date
Sam has $3 saved toward a stand mixer. After adding the same amount each week for 6 weeks, Sam has $75. Solve 6x+3=75 to find x, the number of dollars added each week.
A.x=12
B.x=13
C.x=12.5
D.x=72
Sam bakes chocolate cupcakes and vanilla cupcakes in a ratio of 7:4 for the bake sale. How many chocolate cupcakes go with 12 vanilla cupcakes?
Answer:
Last year, 120 people came to the bake sale. This year, Sam counted 150. What is the percent increase?
A. 20%
B. 30%
C. 25%
D. 12.5%
Sam put $900 of birthday and allowance savings into a savings account that pays 7% simple interest per year. How much interest will the money earn in 3 years?
Answer:
Sam checked the temperature outside the bakery. It was -14°C at sunrise. By noon, it had dropped 8 degrees. What was the temperature at noon, in °C?
Answer:
Here is how many cupcakes Sam baked in each of five batches: 11, 10, 8, 7, 9. What is the mean number of cupcakes per batch?
Answer:
Sam has 11 cupcakes in all: 3 loose cupcakes plus 2 boxes with the same number of cupcakes in each box. If x is the number of cupcakes in each box, solve 2x+3=11.
A.x=4
B.x=7
C.x=5.5
D.x=8
Sam bakes chocolate cupcakes and vanilla cupcakes in a ratio of 2:4 for the bake sale. How many chocolate cupcakes go with 28 vanilla cupcakes?
Answer:
Last month, Sam had 80 recipe cards. Now Sam has 120. What is the percent increase?
A. 50%
B. 33.33%
C. 40%
D. 25%
Sam's baking club raised $400 at a bake sale and put it in a savings account that pays 4% simple interest per year. How much interest will it earn in 5 years?
Answer:
The key always prints on its own page.
Answer key
Baking Math · 8th Grade
A. x=12Undothe+3first(subtractfrombothsides),thenundothe×6(dividebothsides):x=12.
21Cross-multiply:7×12=84,thendivideby4:x=21.
C. 25%Percentchange=(change÷original)×100=(30÷120)×100=25%.
189.00900×0.07×3=$189.00.
-22-14+-8=-22.
911+10+8+7+9=45,and45÷5=9.
A. x=4Undothe+3first(subtractfrombothsides),thenundothe×2(dividebothsides):x=4.
14Cross-multiply:2×28=56,thendivideby4:x=14.
A. 50%Percentchange=(change÷original)×100=(40÷80)×100=50%.
80.00400×0.04×5=$80.00.
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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 8th grade sheet cover?
Two-step equations, Proportions, Percent increase and decrease, Simple interest, Adding and subtracting integers, and Mean (average), a mix of 8th-grade equation solving and 7th-grade review. 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 baking lesson for 8th grade with no sign-up.