1.	6 less than 10 is 4.
		− =
	2.	8 less than 15 is 7.
		− =
	3.	5 more than 8 is 13.
		+ = or + =
	4.	4 more than 11 is 15.
		+ = or + =

	5.	12 − 7 =
	6.	15 − 7 =
	7.	16 − 9 =
	8.	13 − 8 =
	9.	18 − 9 =
	10.	19 − 7 =

	11.	55 − 4
	12.	80 − 9
	13.	65 − 37
	14.	88 − 43
	15.	98 − 60
	16.	89 − 78
	17.	67 − 45
	18.	73 − 42