Missing Numbers (counting by ones and tens)

Front

What is counting by ones?

Back

Counting by ones means to count each number individually, increasing by one each time. For example: 1, 2, 3, 4, 5.

Front

What is counting by tens?

Back

Counting by tens means to count in increments of ten. For example: 10, 20, 30, 40, 50.

Front

What is a missing number problem?

Back

A missing number problem asks you to find a number that fits in a sequence or pattern.

Front

What comes after 22?

Back

23.

Front

What comes before 52?

Back

51.

Front

What is the missing number in the sequence 40, 50, 60, ____, 80?

Back

70.

Front

What is the missing number in the sequence 29, ____, 31?

Back

30.

Front

What comes before 80?

Back

79.

Front

What is the missing number in the sequence 22, 23, ____?

Back

24.

Front

What is the missing number in the sequence ____, 51, 52?

Back

50.