Subtracting on a number line and by parts
Answers are for parents and teachers.
1
Use hops on a number line to find 43 − 17.
43 − 10 = 33, 33 − 7 = 26. The difference is 26.
2
There are 95 mangoes in a box. A seller sells 48. How many are left?
95 − 48 = 47 mangoes. Check: 47 + 48 = 95.
3
Write your own take-away story with numbers under 100 and solve it.
Any sensible story with a correct subtraction.
4
Break apart to find 68 + 24.
60 + 20 = 80, 8 + 4 = 12, and 80 + 12 = 92.
5
Write three problems whose sum is 100, such as 50 + 50. Use numbers close to each other.
For example 49 + 51, 48 + 52 and 45 + 55.