Mixed Operations Within 20: Missing Numbers and Equation Balance
Find missing numbers inside expressions, then make both sides of equations equal. Read the operation sign before choosing an inverse operation to check your answer.
30 problems · A4 · 1 page
What’s in this worksheet?
These 30 problems use numbers within 20. Find missing numbers inside expressions, then make both sides of equations equal. Read the operation sign before choosing an inverse operation to check your answer. Factors, divisors, and quotients stay within 12. Try 20 ÷ 4 = □ ÷ 3.
Mixed Operations Within 20: Missing Numbers and Equation Balance
Name: ___________Date: ___________Time: ___________
1−=0
×1=11
÷12=1
+1=20
−4=13
8×=16
÷4=1
6+=15
−7=3
11÷=1
7÷=7
+5=16
20−=13
+15=18
−19=0
+1=1+9
18÷9=8÷
10÷2=÷3
3×=9×1
11+=8+8
5×=4×5
÷2=6÷1
9+4=+2
÷2=10÷1
5−1=−9
8÷1=16÷
8−=3−1
7+8=2+
4÷2=÷8
5×3=×5