Add & Subtract Variables Within 20 - Math Worksheet With Answer Key
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1
2
3Name:
Add & Subtract Variables within 20
Find the value of the letter.
A n s w e r s
13
13
1) 6 = Z - 7
Z =
1.
1
1
2) 19 - 18 = N
N =
2.
6
6
3) 19 = 13 + H
H =
3.
10
10
4) 12 = 2 + A
A =
4.
5
5
5) 11 - V = 6
V =
5.
17
17
6) T - 13 = 4
T =
6.
4
4
7) 15 = 19 - F
F =
7.
6
6
8) 14 + L = 20
L =
8.
11
11
9) 14 - M = 3
M =
9.
3
3
10) 12 = 15 - R
R =
10.
19
19
11) 10 + 9 = K
K =
11.
16
16
12) W = 12 + 4
W =
12.
14
14
13) 11 = P - 3
P =
13.
10
10
14) 6 + 4 = Q
Q =
14.
4
4
15) E + 16 = 20
E =
15.
10
10
16) 17 = S + 7
S =
16.
5
5
17) C + 2 = 7
C =
17.
1
1
18) B = 16 - 15
B =
18.
1
1
19) 20 - 19 = Y
Y =
19.
3
3
20) G = 16 - 13
G =
20.
1-10 95 90 85 80 75 70 65 60 55 50
10
Math
11-20 45 40 35 30 25 20 15 10 5
0
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