Mental Addition and Subtraction (Ex. 3)

What's in this exercise

Answers are hidden — sign up to practise and check your work.

1. Question 1

   Multiple choice

   134 + 213 = ___.

2. Question 2

   Multiple choice

   500 - 270 = ___.

3. Question 3

   Multiple choice

   The easiest way to add 198 + 56 is ___.

4. Question 4

   Sequence

   120, 140, 160, ___, 200.

5. Question 5

   True or false

   345 + 123 = 468.

More exercises in this module

• Inverse Operations: Check Your Answers (Ex. 2)

• Estimating Sums and Differences (Ex. 2)

• Word Problems: Addition and Subtraction (Ex. 3)

• Mental Addition and Subtraction (Ex. 1)

• Inverse Operations: Check Your Answers (Ex. 3)

• Word Problems: Addition and Subtraction (Ex. 2)