# Lesson Worksheet: Number Patterns: Two-Digit Numbers Mathematics • 2nd Grade

In this worksheet, we will practice finding missing numbers in counting sequences and number patterns using addition and subtraction rules.

Q1:

Describe the rule for the number pattern

.

• Acount backward by 6
• Bcount backward by 7
• Ccount forward by 7

Q2:

Numbers have been covered on each of these number lines.

Which number is the arrow pointing at? Which number is the arrow pointing at? Q3:

Write the next three numbers when counting in 3s from 24.

• A28, 31, and 34
• B28, 31, and 33
• C27, 31, and 33
• D27, 30, and 33

Q4:

Count backward by 3s to complete the following: .

• A65, 62
• B67, 63
• C66, 62
• D66, 63

Q5:

Skip count by 7s to complete the following: .

• A21, 27
• B21, 28
• C20, 27
• D20, 26

Q6:

Skip count by 4s to complete the following: .

• A24, 29
• B24, 27
• C25, 30
• D25, 29

Q7:

Count in 3s to complete the following: .

• A19, 23
• B20, 24
• C20, 23
• D19, 22

Q8:

Skip count by 3s to complete the following: .

• A9, 14
• B8, 14
• C8, 13
• D9, 15

Q9:

Count in 4s to complete the following: 4, 8, 12, , .

• A17, 21
• B16, 20
• C17, 20
• D16, 19

Q10:

Count by threes to find how many stars are in the next row of the pattern. 