Math Drills
Sum and Difference Problems
1Word Problems
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What this worksheet covers
- Worksheet
- Sum and Difference Problems
These word problems know only the total of two numbers and the gap between them. Sum and Difference asks for the greater and the lesser separately, in scenes of ages, of numbers of people and of lengths. The pairs are built so that both come out even or both come out odd.
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The two numbers in the answer come back to the total in the question when added and to the difference when subtracted. The greater is the total plus the difference, halved. Items appear where that halving is lost and the total and the difference merely added are written as the answer. Adding the two answers together is enough to notice.
As far as Price Word Problems the shapes gave one answer if the calculations were done in order. This lesson settles two numbers at once from the two clues of a total and a difference. That way of thinking is used over and over in the word problems of the grades above.
- Sum and Difference6 questions
Questions & answers
Problems and answers on this worksheet
These are the problems in “Various Word Problems”, shown with their answers.
(1)There are 2 numbers that Ethan posed in math club. The sum of the 2 numbers is 90, and the difference is 14. What is the smaller number? Answer □
Answer: 38
(2)There are 2 numbers that Sam came up with while playing at the park. The sum of the 2 numbers is 48, and the difference is 10. Work out what the larger number is. Answer □
Answer: 29
(3)There are 2 numbers that Henry brought up in his math volunteer work. The sum of the 2 numbers is 64, and the difference is 12. What is the smaller number? Answer □
Answer: 26
(4)There are 2 numbers Riley has to work out from a hint from the teacher. The sum of the 2 numbers is 130, and the difference is 32. What is the smaller number? Answer □
Answer: 49
(5)There are 2 numbers written in a book that Liam read at the library. The sum of the 2 numbers is 110, and the difference is 24. Work out what the larger number is. Answer □
Answer: 67
(6)There are 2 numbers that Olivia learned from her teacher. The sum of the 2 numbers is 150, and the difference is 30. What is the larger number? Answer □
Answer: 90
