Subtraction Blanks Within 20
If the starting number is missing, add the difference and the number subtracted. Some equations also ask you to balance both sides.
36 problems · A4 · 1 page
What’s in this worksheet?
Practice subtraction within 20 with 36 problems. If the starting number is missing, add the difference and the number subtracted. Some equations also ask you to balance both sides. Start with 15 − 7 = □ − 6.
Subtraction Blanks Within 20
Name: ___________Date: ___________Time: ___________
6−3=
20−12=
7−4=
4−3=
10−5=
2−2=
12−2=
16−10=
2−1=
6−5=
12−3=
18−13=
−6=10
16−=10
−2=8
−2=0
−11=2
−4=0
17−=2
9−=3
9−=5
−15=1
−3=4
−12=4
−8=16−15
20−5=16−
15−6=18−
6−2=18−
12−2=−5
20−2=−1
16−=19−7
11−2=−10
13−=20−8
6−=16−11
17−2=−1
7−=8−6