1.
Which number is a solution to
x
+ 7 = 16?
A.
9
B.
8
C.
23
D.
10
Hint
2.
Which value for
b
makes the inequality
true?
A.
none of these
B.
5
C.
6
D.
7
Hint
3.
The inequality 18 < 14 is ______.
A.
false
B.
complete
C.
open
D.
true
Hint
4.
Solve 3
q
+ 6 = 15.
A.
7
B.
3
C.
2
D.
9
Hint
5.
The number sentence below is false. Make the sentence true by changing one symbol or number. Find the correct number sentence.
5
2
– 21 = 5 × 4 + 8
A.
5
2
– 21 > 5 × 4 + 8
B.
6
2
– 21 = 5 × 4 + 8
C.
5
2
– 21 = 5 × 5 + 8
D.
5
2
– 21 < 5 × 4 + 8
Hint