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