Take Apart
Pictures
Number Sentence
Compare
Bar Model
100
7 birds
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
Draw a picture to show a subtraction sentence. Write the subtraction sentence
(Check children's drawings and number sentences.)
400
There were 8 spiders in the grass. Some spiders crawled away. Then there were 3 spiders. How many spiders crawled away?
8 - 5 = 3
5 spiders
400
Kevin has 3 fewer leaves than Sandy. Sandy has 3 leaves. How many leaves does Kevin have?
0 Leaves
400
Aki has 5 baseball bats and 3 baseballs. How many fewer baseballs does Aki have?
5 - 3 = 2
400
500
When you subtract, why is the number that is left less than the number you started with?
Example Answer: because then there are fewer
500
Write your own story problem using the information:
The parts are 2 and 7
The whole is 9
Check children's work
500
Choose numbers to complete the subtraction sentence: ____ - ____ = 0
Possible Answers:
5 - 5 = 0
2 - 2 = 0
7 - 7 = 0
500
Jill has 2 more cats than she has dogs. How many fewer dogs does Jill have?
2 fewer dogs
500
Write all of the subtraction sentences that can tell the story. Tell how you know.
Max has 6 carrots. He eats more than 1 carrot. He has more than 1 carrot left. How many carrots are left?
6 - 2 = 4
6 - 3 = 3
6 - 4 = 2
He cannot take away 1 or have 1 left, so he can only take away 2, 3, or 4.