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