SME
Grade 1 Science · Problem type
Morning and noon shadows
Use this to compare a shadow in the morning and at noon.
Picture
Morning shadow is 8 cubes longer than Noon shadow.
This is an example. Type the numbers from your problem to start.
Morning shadow
example · cubes
Noon shadow
example · cubes
Longer by
answer · cubes
Number sentences
12 − 4 = 8
Good to know
•
A shadow forms where an object blocks the light.
•
When the sun is low, shadows are long. At noon they are short.
•
Try it: a low flashlight makes a long shadow. A high one makes a short shadow.
Step-by-step
WE KNOW
Morning shadow: 12 cubes
Noon shadow: 4 cubes
FIND
longer by
Step 1 · Find longer by
12 − 4 = ?
Count on from the smaller number to the bigger one. That is how much longer.
12 is longer than 4 (the morning shadow)
Count on from 4: 5, 6, 7, 8, 9, 10, 11, 12 → 8
Longer by: 8 cubes
Check
Put the numbers back in. Both sides should match.
12 − 4 = 8 ✓
Topic check
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