Let's solve each of the addition problems in the worksheet step by step. The goal is to add two numbers within 100, using visual aids (like pictures) and then writing the total.
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Problem 1:
**There are 42 blue birds.
There are 35 another bird.
How many birds in total?**
- We need to add:
$ 42 + 35 $
- Break it down:
- $ 40 + 30 = 70 $
- $ 2 + 5 = 7 $
- $ 70 + 7 = 77 $
✔ Answer: 77 birds
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Problem 2:
**Peter sees 17 blue trees.
He sees 43 more trees.
How many trees does he see in all?**
- Add:
$ 17 + 43 $
- Break it down:
- $ 10 + 40 = 50 $
- $ 7 + 3 = 10 $
- $ 50 + 10 = 60 $
✔ Answer: 60 trees
---
Problem 3:
**There are 38 more bees.
There are 19 more bees.
How many bees in all?**
- Add:
$ 38 + 19 $
- Break it down:
- $ 30 + 10 = 40 $
- $ 8 + 9 = 17 $
- $ 40 + 17 = 57 $
✔ Answer: 57 bees
---
Problem 4:
**Jasmine has 32 yellow grapes in a basket.
She eats 15 more grapes.
How many does she count in all?**
- Add:
$ 32 + 15 $
- Break it down:
- $ 30 + 10 = 40 $
- $ 2 + 5 = 7 $
- $ 40 + 7 = 47 $
✔ Answer: 47 grapes
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Problem 5:
**Janet has 13 red fish.
She buys 17 more.
How many fish does Janet have in all?**
- Add:
$ 13 + 17 $
- Break it down:
- $ 10 + 10 = 20 $
- $ 3 + 7 = 10 $
- $ 20 + 10 = 30 $
✔ Answer: 30 fish
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✔ Final Answers:
1.
77 birds
2.
60 trees
3.
57 bees
4.
47 grapes
5.
30 fish
These are all addition problems within 100, solved using place value strategies (tens and ones). Each problem involves adding two numbers, and we used decomposition to make the process easier.
Let me know if you'd like this turned into a printable answer sheet!
Parent Tip: Review the logic above to help your child master the concept of addition word problem worksheet.
