Counting Back to Subtract
Use your desk numberline.
What is 5-1?
4
What is 10-3?
7
If 4+5=9
What is 9-4=____
5
9-7=____
2
Fill in the blank
___, _____, 9
7, 8
Use your desk numberline.
What is 9-3?
6
What is 6-5?
1
If 2 + 5 = 7
What is 7-2=_____
5
10-4=____
6
Fill in the blank.
___, ____, 18
16, 17
Use your desk numberline.
What is 4 - 2?
2
What is 9-8?
1
If 6 + 3= 9
What is 9-6=______
3
4-4=___
0
Fill in the blank.
____, ______, 20
18, 19
Use your desk numberline.
What is 9-1?
8
What is 6-1?
5
If 4 + 1= 5
What is 5 - 4=____
1
8-0=____
8
Fill in the blank.
____, ____, 13
11, 12
Use your desk numberline.
What is 7-2?
5
What is 9-8?
1
If 6+ 4 = 10
What is 10-6=_____
4
9-3=____
6
Fill in the blank.
_____, ____, 17
15, 16