by BlastRoom
Find percent error by comparing an estimate or measurement with the actual value.
#us_grade_7_math

20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Jada estimated 48 people would attend a club meeting. The actual attendance was 50 people. What is the percent error?
Ava estimated a poster would cost $76. The actual cost was $80. Find the percent error.
Marco predicted the library would lend 92 books. It actually lent 100 books. What percent error was Marco's estimate?
Nia estimated a bus ride would take 27 minutes. The actual time was 30 minutes. How large was the percent error?
Leo estimated a tank held 14 liters. The actual amount was 12 liters. What is the percent error, to the nearest hundredth?
Maya guessed a shelf was 15 centimeters wide. Its actual width was 16 centimeters. Find the percent error.
A principal estimated 528 students would register. The actual number was 600 students. What percent error is this?
Sam estimated the trail was 2.7 kilometers long. The actual distance was 3 kilometers. Calculate the percent error.
Priya estimated a bag held 118 grams of rice. The actual mass was 120 grams. What is the percent error, to the nearest hundredth?
Elena estimated a bottle contained 34 milliliters. The actual amount was 40 milliliters. What percent error did she make?
A scale measured a package as 31.5 grams. Its actual mass was 30 grams. What is the percent error?
A thermometer read 22 degrees Celsius. The actual temperature was 20 degrees Celsius. What was the percent error?
A ruler measured a pencil as 18.4 centimeters. Its actual length was 18 centimeters. Find the percent error, to the nearest hundredth.
A beaker showed 205 milliliters of water. The actual volume was 200 milliliters. What percent error did the measurement have?
A speed sensor measured a cyclist at 21 kilometers per hour. The actual speed was 25 kilometers per hour. What is the percent error?
A kitchen scale measured a melon as 1.94 kilograms. Its actual mass was 2.00 kilograms. What percent error is this?
A measuring wheel recorded a path as 94 meters. The actual path length was 100 meters. Find the percent error.
A stopwatch measured a sprint as 12.84 seconds. The actual time was 12 seconds. What is the percent error?
A lab balance measured a sample as 49 grams. Its actual mass was 50 grams. What percent error did the balance show?
A measuring tape showed a ribbon was 44 centimeters long. The actual length was 40 centimeters. Calculate the percent error.
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Combining Like Terms
40 questions