What is the missing number in this number pattern?
2, 4, , 8, 10
8 + = 10
2
What is the value of the 5 in 25?
5 ones
What can you see?
* * *
* * *
6
2 rows of 3
3 columns of 2
2 groups of 3
3 groups of 2
What is the missing number in this number pattern?
10, 20, 30, 50, 60
18 + = 20
2
What is the value of 3 in 37?
3 tens
30
What can you see?
* * * *
* * * *
* * * *
12
3 rows of 4
4 columns of 3
3 groups of 4
4 groups of 3
What is the missing number in this number pattern?
3, 13, 33, 43, 53
23
8 + = 18
10
What is the value of 2 in 241?
2 hundreds
200
What is 1/2 (half) of 10?
5
What is the RULE in this number pattern?
20, 22, 24, 26, 28, 30
add 2
+ 2
skip counting by 2
14 + 14 =
28
How many tens in 24?
2
2 tens
What is 1/2 (half) of 16?
What is the RULE in this number pattern?
31, 41, 51, 61, 71, 81, 91, 101
add 10
+ 10
skip counting by 10
27 + 62 =
89
How many hundreds in 397?
3
3 hundreds
What is double 8
16