1.
Which value for
b
makes the inequality
true?
A.
none of these
B.
6
C.
5
D.
7
Hint
2.
The inequality 18 < 14 is ______.
A.
complete
B.
open
C.
true
D.
false
Hint
3.
Solve 3
q
+ 6 = 15.
A.
3
B.
2
C.
7
D.
9
Hint
4.
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 × 5 + 8
B.
5
2
– 21 < 5 × 4 + 8
C.
6
2
– 21 = 5 × 4 + 8
D.
5
2
– 21 > 5 × 4 + 8
Hint
5.
The number sentence below is false. Make the sentence true by changing one symbol or number. Find the correct number sentence.
6 + 14 ÷ 2 = (6 + 12) ? 2 + 3
A.
6 + 14 ÷ 2 = (6 + 14) ÷ 2 + 3
B.
6 + 14 ÷ 2 = (6 + 12) ÷ 4 + 3
C.
6 + 14 ÷ 4 = (6 + 12) ÷ 2 + 3
D.
6 + 14 ÷ 2 < (6 + 12) ÷ 2 + 3
Hint