SME
Grade 1 Science · Earth & Space Science
Sky patterns: the sun, moon and stars
Use this for “How many more hours of daylight does summer have?”
Picture
15
9
More hours: 6 hours
This is an example. Type the numbers from your problem to start.
Summer daylight
example · hours
Winter daylight
example · hours
More hours
answer · hours
Number sentences
15 − 9 = 6
Good to know
•
Daylight is the time from sunrise to sunset.
•
Summer days have more hours of daylight than winter days.
•
Count the hours from sunrise to sunset.
Step-by-step
WE KNOW
Summer daylight: 15 hours
Winter daylight: 9 hours
FIND
more hours
Step 1 · Find more hours
15 − 9 = ?
Count on from the smaller number to the bigger one. That is how much more.
15 is more than 9 (the summer day)
Count on from 9: 10, 11, 12, 13, 14, 15 → 6
More hours: 6 hours
Check
Put the numbers back in. Both sides should match.
15 − 9 = 6 ✓
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