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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: 7+8+5
13
10
20
18

Q 2: 2+9+6
14
17
11
19

Q 3: 4+9+5
11
18
19
13

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

Q 5: 3+5+8
11
13
17
16

Q 6: 1+8+4
13
14
11
16

Q 7: 1+(6+9)
12
15
13
16

Q 8: 8+9(+7)+4
11
13
14
28

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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