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Grade 1 - Mathematics3.10 Adding Three Numbers

 Method: Add the first two numbers. 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: 5 + 2 + 3 =1110912 Q 2: 4 + 2 + 1 =6875 Q 3: 1 + 2 + 3 =1765 Q 4: 5 + 5 + 5 =15101314 Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!

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