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Math · 3rd Grade (8-9) · Addition & Subtraction

Mental Addition and Subtraction (Ex. 1)

Add and subtract 2- and 3-digit numbers mentally.

Module

Addition & Subtraction

Grade

3rd Grade (8-9)

Duration

8 min

Questions

5

What's in this exercise

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  1. Question 1

    Multiple choice

    47 + 35 = ___.

  2. Question 2

    Multiple choice

    300 + 250 = ___.

  3. Question 3

    Multiple choice

    568 - 34 = ___.

  4. Question 4

    Sequence

    50, 100, 150, ___, 250.

  5. Question 5

    True or false

    250 + 150 = 400.

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