Number Patterns

Front

What are the missing numbers in this pattern?
23, 33, ___, 53, ___, 73

Back

43, 63

Front

What are the missing numbers in this pattern?
12, 15, ___, 21, ____, 27

Back

18, 24

Front

What are the next 2 numbers of this pattern?
23, 27, 31, 35, ___, ___

Back

39, 43

Front

Describe the pattern's rule for the sequence: 65, 62, 59, 56, 53, 50.

Back

Subtract 3

Front

Describe the pattern's rule: 4, 11, 18, 25, 32, 39

Back

Add 7

Front

Describe the pattern's rule: 23, 29, 35, 41

Back

Add 6

Front

Describe the pattern's rule: 16, 11, 6, 1

Back

Subtract 5

Front

How many counters would come next? Options: 5, 7, 9, 11

Back

9

Front

320, 340, 360,
What is the next number in the pattern?

Back

380

Front

Number shown on the abacus in standard form:

Back

5,645