1st Grade Missing Numbers Worksheets and Activities | Page 2

Worksheet instructions: Complete each fact family by writing 4 facts with the given numbers.

Worksheet instructions: Count by 20 from 20 to 1,000, and fill in the missing numbers.

Worksheet instructions: Count by 2’s from 2 to 100, and fill in the missing numbers below.

Worksheet instructions: Complete each fact family by writing 4 facts with the given numbers.

Worksheet instructions: Complete each fact family by writing 4 facts with the given numbers.

Worksheet instructions: Fill in the empty circles with the correct missing numbers (51-100).

Worksheet instructions: Fill in the empty circles with the correct missing numbers (1-50).

Worksheet instructions: Fill in the empty circles with the correct missing numbers (1-10).

Worksheet instructions: Count by 10 from 16 to 1,006, and fill in the missing numbers below.

Worksheet instructions: Count by 10 from 12 to 1,002, and fill in the missing numbers.

Worksheet instructions: Count by 10s from 10 to 1,000, and fill in the missing numbers.