1.	There are 20 students on a field trip. The students are 10 years old and younger. If 4 students are 10 years old, how many are younger than 10?
		A.	16	B.	10
		C.	15	D.	14
		Hint
	2.	Eric, Michael, and Jordan each read 4 pages aloud. How many pages did they read altogether?
		A.	7	B.	4
		C.	16	D.	12
		Hint
	3.	Find 6 × 3 = ___
		A.	9	B.	15
		C.	18	D.	16
		Hint
	4.	Find 5 × 9 = ___
		A.	45	B.	14
		C.	54	D.	40
		Hint
	5.	Find 4 × 10 = ___
		A.	21	B.	40
		C.	14	D.	41
		Hint