SME
Kindergarten Science · Problem type
Dark or light: which warms more?
Use this for “Dark and light cups sit in the sun. Which gets warmer, by how much?”
Picture
Dark cup: 84 °F
Light cup: 76 °F.
Dark cup is 8 °F warmer than light cup.
This is an example. Type the numbers from your problem to start.
Dark cup
example · °F
Light cup
example · °F
Dark cup warmer by
answer · °F
Number sentences
84 − 76 = 8
Good to know
•
Dark things take in more sunlight. Light things bounce more of it away.
•
Both cups hold the same water in the same sun.
Step-by-step
WE KNOW
Dark cup: 84 °F
Light cup: 76 °F
FIND
dark cup warmer by
Step 1 · Find dark cup warmer by
84 − 76 = ?
Count on from the smaller number to the bigger one. That is how much warmer.
84 is warmer than 76 (the dark cup)
Count on from 76: 77, 78, 79, 80, 81, 82, 83, 84 → 8
Dark cup warmer by: 8 °F
Check
Put the numbers back in. Both sides should match.
84 − 76 = 8 ✓
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