Count on by tens from 20 to 90.
20, 30, 40, 50, 60, 70, 80, 90
What is 50 more than 10?
10 + 50 = 60
What is 40 less than 60?
60 - 40 = 20
What is 20 more than 40
20 + 40 = 60
Count backward by ones from 10 to 20.
10,11,12,13,14,15,16,17,18,19,20
Count backwards by fives from 40 to 5.
40, 35, 30, 25, 20, 15, 10, 5
Count on by 2s from 0 to 20.
0,2,4,6,8,10,12,14,16,18,20
Count backward by tens from 100 to 10.
100, 90, 80, 70, 60, 50, 40, 30, 20, 10
What is 20 less than 54?
54 - 20 = 34
What is 10 less than 100?
100 - 10 = 90
Count on by twos from 32 to 48.
32, 34, 36, 38, 40, 42, 44, 46, 48
Count on by fives from 35 to 60.
35,40,45,50,55,60
What's 5 less than 30?
30 - 5 = 25
Count backward by tens from 80 to 10.
80, 70, 60, 50, 40, 30, 20, 10
What is 30 more than 53?
30 + 53 = 83
What is 10 more than 16?
16 +10 = 26
Count backward by tens from 100 to 50.
100.90.80.70.60.50
Count on in 5's from 0 - 40
0,5,10,15,20,25,30,35,40
Count backward by twos from 18 to 4
18,16,14,12,10,8,6,4