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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 1 - Mathematics
3.10 Adding Three Numbers

Method:
  1. Add the first two numbers.
  2. Add the sum to the third number.
Example: 3 + 4 + 5
Consider the first number 3, start counting after 3 for 4 numbers that is 4,5,6,7.
Hence the sum of 3+4 = 7.
Consider the third number 5, add this to the sum of 3 +4
7 +5
Start counting after 7 for 5 numbers that is 8,9,10,11,12.

Answer: 12

Directions: Add three numbers and select the answer. Also write at least ten examples of your own.
Q 1: 1 + 2 + 3 =
7
5
1
6

Q 2: 2 + 2 + 2 =
4
5
7
6

Q 3: 4 + 2 + 1 =
5
8
7
6

Q 4: 5 + 2 + 3 =
9
11
12
10

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!


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