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