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
18
18
1) W - 2 = 16
W =
1.
1
1
2) 10 = G + 9
G =
2.
4
4
3) 15 = 19 - P
P =
3.
3
3
4) A = 19 - 16
A =
4.
13
13
5) V = 5 + 8
V =
5.
17
17
6) 5 = Z - 12
Z =
6.
18
18
7) 10 = T - 8
T =
7.
12
12
8) 8 = 20 - H
H =
8.
3
3
9) K + 14 = 17
K =
9.
1
1
10) 13 - N = 12
N =
10.
11
11
11) F - 9 = 2
F =
11.
6
6
12) Q + 13 = 19
Q =
12.
4
4
13) 17 = 13 + C
C =
13.
12
12
14) 4 + 8 = U
U =
14.
10
10
15) 14 - 4 = E
E =
15.
15
15
16) S = 9 + 6
S =
16.
1
1
17) 11 - 10 = R
R =
17.
3
3
18) 17 + J = 20
J =
18.
3
3
19) 17 - L = 14
L =
19.
9
9
20) 17 = 8 + B
B =
20.
1-10 95 90 85 80 75 70 65 60 55 50
7
Math
11-20 45 40 35 30 25 20 15 10 5
0
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