Math Questions Quiz

Lucas wants to use estimation to verify the reasonableness of his answer to the problem 73 x 215. Which estimation problem should Lucas use?

• 70 x 200

• 70 x 220

• 75 x 210

• 80 x 200

John was organizing his collection of 450 marbles. - He gave away 75 marbles to his friend. - Then, he found a bag of new marbles and added them to his collection. - Now there are 500 marbles in his collection. Which equation can be used to find m, the number of marbles in the new bag?

• 450 - 75 + m = 500

• m - 450 - 75 = 500

• 450 + 75 + m = 500

• m - 450 + 75 = 500

James had 50 candies. He ate 8 of them. He then shared the remaining candies equally among his 6 cousins. How many candies did each cousin receive?

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Kayden wants to use estimation to check the reasonableness of his answer to the problem 68 x 47. Which estimation problem should Kayden use?

• 70 x 50

• 70 x 40

• 60 x 50

• 60 x 40

Over the summer, Levi earned $180 moving lawns in his neighborhood. Then he bought a new skateboard for $59. In the fall, he earned $75 raking leaves. Which equation can be used to find m, the amount of money in dollars that Levi has now?

• m = 180 - 59 - 75

• m = 180 + 59 + 75

• m = 180 + 59 - 75

• m = 180 - 59 + 75

Mr. Brown had 60 pencils. He gave 15 to his students. Then he divided the remaining pencils equally between himself, Ms. Green, and Mr. White. How many pencils did each teacher receive?

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Emma wants to use estimation to verify the reasonableness of her answer to the problem 89 x 47. Which estimation problem should Emma use?

• 90 x 40

• 90 x 50

• 80 x 50

• 80 x 40

Sarah was organizing her collection of 300 stamps. - She gave away 50 stamps to her friend. - Then, she found a new album and added it to her collection. - Now there are 400 stamps in her collection. Which equation can be used to find s, the number of stamps in the new album?

• 300 + 50 + s = 400

• s - 300 - 50 = 400

• 300 - 50 + s = 400

• s - 300 + 50 = 400