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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 3 - Mathematics
5.1 Mental Addition

Method:
  1. Add the expression within parentheses first.
  2. Add the result to the third number.

Example: (5+4)+3
  1. Add 5 and 4. The result is 9.
  2. Add 3 and 9.
Answer:12

Directions: Find the sum of the following. Also write at least ten examples of your own.
Q 1: (3+4)+8
18
12
14
15

Q 2: 4+(3+8)
12
15
13
11

Q 3: 1+8+4
13
14
16
11

Q 4: 8+2+7
15
11
17
13

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!


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