2's
What 5 numbers could you say right after 18?
20, 22, 24, 26, 28
What are 5 numbers you can say right after 20?
25, 30, 35, 40, 45
Count by 10s from 20. Say the next 5 numbers.
30, 40, 50, 60, 70
Count by 25s from 25. Say the next 5 numbers.
50, 75, 100, 125, 150
When you skip count by 2s, what kind of numbers do you land on?
All even numbers (2, 4, 6, 8, 0).
Count by 2s from 50. Say the next 5 numbers.
52, 54, 56, 58, 60
What are 5 numbers you can say right after 25?
30, 35, 40, 45, 50
Count by 10s from 18. Say the next 5 numbers.
28, 38, 48, 58, 68
Count by 25s from 50. Say the next 5 numbers
75, 100, 125, 150, 175
When you skip count by 5s, what pattern do you see in the ones digits?
They alternate 5, 0, 5, 0…
Count by 2s from 100. Say the next 5 numbers.
102, 104, 106, 108, 110
Count by 5s from 50. Say the next 5 numbers.
55, 60, 65, 70, 75
Count by 10s from 53. Say the next 5 numbers.
63, 73, 83, 93, 103
Count by 25s from 100. Say the next 5 numbers.
125, 150, 175, 200, 225
When you skip count by 10s starting at 7 (7, 17, 27, 37…), what stays the same?
The ones digit stays the same (7), and the tens go up by 1.
Count by 2s from 134. Say the next 5 numbers.
136, 138, 140, 142, 144
Count by 5s from 100. Say the next 5 numbers.
105, 110, 115, 120, 125
Count by 10s from 134. Say the next 5 numbers.
144, 154, 164, 174, 184
Count by 25s from 125. Say the next 5 numbers.
150, 175, 200, 225, 250
When you skip count by 25s, what pattern do you see on a hundreds chart?
The numbers land every 4th number
Count by 2s from 197. Say the next 5 numbers.
199, 201, 203, 205, 207
Count by 5s from 137. Say the next 5 numbers.
142, 147, 152, 157, 162
Count by 10s from 246. Say the next 5 numbers.
256, 266, 276, 286, 296
Count by 25s from 13. Say the next 5 numbers.
38, 63, 88, 113, 138
If you skip count by 50s (50, 100, 150, 200…), what pattern do you notice about place value?
The numbers are halfway between hundreds, and the ones digit is always 0. Every two jumps, the hundreds go up by 1.