10 less than 20
10
60-30
30
Count backwards by 1 starting at 107-102
107, 106, 105, 104, 103, 102
Start counting at 50 and count back by 10s to 20
50, 40, 30, 20
How many do you subtract from 16 to reach the previous multiple of 10?
6
10 less than 50
40
80-20
60
Count backwards by 1 starting at 56-51
56, 55, 54, 53, 52, 51
Start counting at 80 and count back by 10s to 40
80, 70, 60, 50, 40
How many do you subtract from 76 to reach the previous multiple of 10?
6
10 less than 90
80
70-50
20
Count backwards by 1 starting at 93-88
93, 92, 91, 90, 89, 88
Start counting at 94 and count back by 10s to 34
94, 84, 74, 64, 54, 44, 34
How many do you subtract from 81 to reach the previous multiple of 10?
1
10 less than 62
52
90-40
50
Count backwards by 1 starting at 35-25
35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25
Start counting at 106 and count back by 10s to 66
106, 96, 86, 76, 66
How many do you subtract from 104 to reach the previous multiple of 10?
4
10 less than 76
66
95-50
45
Count backwards by 1 starting at 114-106
114, 113, 112, 111, 110, 109, 108, 107, 106
Start counting at 113 and count back by 10s to 83
113, 103, 93, 83
How many do you subtract from 118 to reach the previous multiple of 10?
8