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

 Q 2: 8+9(+7)+4
14
28
11
13

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

 Q 4: 2+4+6
18
15
12
14

Q 5: 5+(6+4)
19
9
17
15

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

Q 7: 1+8+4
13
11
16
14

 Q 8: 3+(4+5)
11
18
12
17

Question 9: This question is available to subscribers only!

 Question 10: This question is available to subscribers only!


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