SME
Grade 1 Science · Problem type
A young plant and its parent
Use this for “The young plant is 5 cubes tall. Its parent is 14 cubes. How much shorter is the young plant?”
Picture
Parent plant’s height is 9 cubes longer than Young plant’s height.
This is an example. Type the numbers from your problem to start.
Young plant’s height
+
Shorter than parent by
=
Parent plant’s height
Number sentences
5 + 9 = 14
Good to know
•
A young plant is smaller than its parent.
•
It grows like its parent, but not to exactly the same size.
•
Measure the young plant and its parent with cubes.
Step-by-step
WE KNOW
Young plant’s height: 5 cubes
Parent plant’s height: 14 cubes
FIND
shorter than parent by
Step 1 · Find shorter than parent by
5 + ? = 14
Count up from the young plant’s height to the parent plant’s height.
14 − 5
Count on from 5: 6, 7, 8, 9, 10, 11, 12, 13, 14 → 9
Shorter than parent by: 9 cubes
Check
Put the numbers back in. Both sides should match.
5 + 9 = 14 ✓
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Young plants and animals resemble their parents
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A lion cub and its parents
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