What is an example of a decade number?
10, 20, 30, 40, 50, 60, 70, 80, 90
Count by 10's to 100.
Great job!
What number comes before the sequence 17, 18, 19, 20?
16
What number comes after the sequence 35, 36, 37, 38, 39?
40
What are we counting forward by in the sequence? 3, 4, 5, 6, 7
ones
What are we counting forward by in the sequence? 40, 50, 60, 70, 80
tens or decades
How many tens are in the number 33?
3
Which place value is the tens place?
first
Which place value is the ones place?
second
Fill in the missing numbers: _____, 77, 78, 79, _____, 81
76, 77, 78, 79, 80, 81
Fill in the missing numbers: 95, 96, _____, _____, _____, _____
95, 96, 97, 98, 99, 100
Which place value is the same in this sequence? 62, 63, 64, 65, 66
tens
Which place value is different in this sequence? 41, 42, 43, 44, 45
ones
What are we counting forward by in this sequence? 88, 89, 90, 91, 92
ones
What number comes before the decade number 20?
19
What number comes after the decade number 40?
41
