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
10
10
1) 6 + C = 16
C =
1.
7
7
2) 12 - F = 5
F =
2.
4
4
3) T = 16 - 12
T =
3.
1
1
4) 18 = H + 17
H =
4.
8
8
5) 6 + 2 = E
E =
5.
2
2
6) 20 - J = 18
J =
6.
20
20
7) R = 17 + 3
R =
7.
5
5
8) 18 - 13 = A
A =
8.
19
19
9) 13 + 6 = K
K =
9.
5
5
10) 15 = 20 - L
L =
10.
14
14
11) S = 2 + 12
S =
11.
9
9
12) B = 20 - 11
B =
12.
8
8
13) 20 = Y + 12
Y =
13.
17
17
14) W - 13 = 4
W =
14.
4
4
15) Q + 8 = 12
Q =
15.
6
6
16) P + 11 = 17
P =
16.
6
6
17) 13 = 19 - G
G =
17.
1
1
18) 20 - 19 = M
M =
18.
16
16
19) 3 = Z - 13
Z =
19.
4
4
20) 16 + U = 20
U =
20.
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8
Math
11-20 45 40 35 30 25 20 15 10 5
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