🧠 Grade 2 Math Quiz · Estimation Strategies

Estimation Strategies Practice Questions

70 Grade 2 questions on Estimation Strategies. Choose an answer to get instant feedback and a short explanation — the first 10 are free.

About how many crayons are in a full box?

Explanation: A box of crayons usually has about 12 crayons. Good estimate!

You have 28 blocks. Is 30 a good estimate?

Explanation: 28 is very close to 30. Nice rounding!

About how many children are in one class?

Explanation: Most classes have about 20 to 25 children.

You add 19 + 21. A good estimate is:

Explanation: 19 is about 20, 21 is about 20, so 20 + 20 = 40.

There are 42 books on the shelf. Is 50 a reasonable estimate?

Explanation: 42 is close to 50. It is a reasonable estimate.

About how many legs are on 3 dogs?

Explanation: Each dog has 4 legs, so 3 dogs have about 12 legs.

You subtract 48 - 19. A good estimate is:

Explanation: 48 is about 50, 19 is about 20, so 50 - 20 = 30.

About how many pages are in a storybook?

Explanation: A storybook usually has about 30 to 40 pages.

You have 67 stickers. Is 70 a good estimate?

Explanation: 67 is very close to 70. Excellent!

About how many fingers do 4 children have?

Explanation: Each child has 10 fingers, so 4 children have about 40 fingers.

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