1.	How many tens are in 20?
		A.	3	B.	2
		C.	4	D.	1
		Hint
	2.	How many tens are in 33?
		A.	3	B.	1
		C.	4	D.	2
		Hint
	3.	Find 4 − 2.
		A.	2	B.	1
		C.	0	D.	3
		Hint
	4.	Find 8 − 4.
		A.	5	B.	3
		C.	4	D.	2
		Hint
	5.	Find 7 − 6.
		A.	1	B.	0
		C.	2	D.	3
		Hint