SME
Kindergarten Science · Problem type
Cleaning up the park
Use this to count the litter picked up, by kind.
Picture
Cans
4
Pieces of paper
3
Total: 7
Most: cans
This is an example. Type the numbers from your problem to start.
Cans
example
Pieces of paper
example
Litter picked up
answer
Number sentences
4 + 3 = 7
Good to know
•
Litter changes a place for the worse. Picking it up changes it back.
•
Sort what you pick up, then count each kind.
Step-by-step
WE KNOW
Cans: 4
Pieces of paper: 3
FIND
litter picked up
Step 1 · Find litter picked up
4 + 3 = ?
Add the cans and the pieces of paper.
Start at 4. Count on 3: 5, 6, 7 → 7
Litter picked up: 7
Check
Put the numbers back in. Both sides should match.
4 + 3 = 7 ✓
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