10
Whole Number Operations VII
Understand Division
Pablo packs 10 apples into baskets.
He puts 2 apples in each basket.
How many baskets does he pack?
To find how many baskets,
separate 10 into equal groups of 2.
Use repeated subtraction.
Yo u subtracted 5 times.
Pablo packs 5 baskets.
Yo u can also write a division sentence to show how to
separate 10 into equal groups of 2.
Write: 10 2 5
Read as:“Ten divided by two equals five.”
Find how many groups.
- 16 in all 2. 9 in all 3. 20 in all
8 in each group 3 in each group 5 in each group - 14 in all 5. 18 in all 6. 15 in all
2 in each group 9 in each group 5 in each group - 36 in all 8. 12 in all 9. 10 in all
4 in each group 3 in each group 2 in each group
number
in all
number in
each group
number of
groups
division sentence
Think
How many groups
of 2 are in 10?
Count back by 2s
until you reach 0.
8, 6, 4, 2, 0
0 1 2 3 4
–2 –2 –2 –2 –2
5 6 7 8 9 10
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