1.
Solve
m
+ 2 = 7.
A.
–5
B.
9
C.
–9
D.
5
Hint
2.
Solve
a
+ 6 = –2.
A.
–8
B.
–4
C.
8
D.
4
Hint
3.
Solve
t
+ 3 = –2.
A.
1
B.
–3
C.
2
D.
–5
Hint
4.
Decide which addition equation the model represents. Then solve the equation.
A.
x
+ 5 = 1;
x
= –4
B.
x
+ 1 = 5;
x
= 4
C.
x
+ 5 = 1;
x
= 6
D.
x
+ 1 = 5;
x
= 6
Hint
5.
Solve
c
+ 4 = 2.
A.
2
B.
–2
C.
–6
D.
6
Hint