1.	How many tens are in 50?
		A.	7	B.	4
		C.	5	D.	6
		Hint
	2.	How many tens are in 20?
		A.	1	B.	4
		C.	3	D.	2
		Hint
	3.	How many tens are in 62?
		A.	8	B.	5
		C.	6	D.	7
		Hint
	4.	How many tens are in 74?
		A.	7	B.	6
		C.	8	D.	5
		Hint
	5.	Find 4 − 2.
		A.	3	B.	2
		C.	1	D.	0
		Hint
	6.	Find 9 − 4.
		A.	5	B.	7
		C.	6	D.	4
		Hint
	7.	Find 3 − 1.
		A.	3	B.	2
		C.	1	D.	0
		Hint
	8.	Find 5 − 2.
		A.	3	B.	4
		C.	2	D.	1
		Hint
	9.	Find 7 − 6.
		A.	2	B.	0
		C.	1	D.	3
		Hint
	10.	Lewis has 12 marbles in his pocket. If he gives William 3 of them, how many marbles does he have left?
		A.	12 − 9 = 3	B.	12 − 3 = 9
		C.	12 − 2 = 10	D.	12 + 3 = 15
		Hint