1.	Which number is a solution to x + 7 = 16?
		A.	8	B.	23
		C.	9	D.	10
		Hint
	2.	Solve 3x = 18.
		A.	7	B.	15
		C.	6	D.	21
		Hint
	3.	Which value for b makes the inequality true?
		A.	6	B.	7
		C.	5	D.	none of these
		Hint
	4.	The number sentence below is false. Make the sentence true by changing one symbol or number. Find the correct number sentence. 52 – 21 = 5 × 4 + 8
		A.	52 – 21 < 5 × 4 + 8
		B.	52 – 21 > 5 × 4 + 8
		C.	62 – 21 = 5 × 4 + 8
		D.	52 – 21 = 5 × 5 + 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 ÷ 4 = (6 + 12) ÷ 2 + 3
		B.	6 + 14 ÷ 2 = (6 + 14) ÷ 2 + 3
		C.	6 + 14 ÷ 2 < (6 + 12) ÷ 2 + 3
		D.	6 + 14 ÷ 2 = (6 + 12) ÷ 4 + 3
		Hint