Mixed Addition and Subtraction Blanks Within 20
Practice mixed addition and subtraction blanks within 20. Look at the blank to decide whether to find a result, find an unknown, or balance both sides.
36 problems · A4 · 1 page
What’s in this worksheet?
These 36 exercises stay within 20. Look at the blank to decide whether to find a result, find an unknown, or balance both sides. Try working backward in 15 − □ = 8, then substitute your answer to check it.
Mixed Addition and Subtraction Blanks Within 20
Name: ___________Date: ___________Time: ___________
16+4=
8+2=
6−1=
14−8=
8−1=
17+3=
17+1=
4+3=
3+12=
3−2=
9+11=
18+2=
+8=17
+4=17
5−=3
+1=18
−9=6
4−=3
+5=7
+9=17
+16=17
9+=12
+4=11
7−=6
14−3=20−
7−4=−3
1+3=+1
11−=20−13
10+=11+8
+17=9+11
14−8=−10
2+1=1+
−5=9−9
3+=5+5
−7=16−4
−4=17−6