1.	Find 23 − 7.
		A.	16	B.	47
		C.	161	D.	30
		Hint
	2.	Find 7 − 2.
		A.	9	B.	14
		C.	72	D.	5
		Hint
	3.	In Radi's town, snow falls during 4 months of the year. During how many months of the year is there no snowfall?
		A.	8 months	B.	6 months
		C.	16 months	D.	27 months
		Hint
	4.	Find 4 × 7.
		A.	3	B.	47
		C.	28	D.	11
		Hint
	5.	Find 28 ÷ 7.
		A.	4	B.	35
		C.	21	D.	196
		Hint