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