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

64,57,50,43,36,.

  • 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: 75,72,69,,.

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

Q5:

Skip count by 7s to complete the following: 13,,,34,41.

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

Q6:

Skip count by 4s to complete the following: 13,17,21,,.

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

Q7:

Count in 3s to complete the following: 11,14,17,,.

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

Q8:

Skip count by 3s to complete the following: 5,,11,,17.

  • 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.

Q11:

Count forward in threes starting from 21 to find the next three numbers: 21,,,.

  • A23, 25, 27
  • B24, 27, 30
  • C24, 25, 27
  • D24, 27, 29

Q12:

Count backward in threes from 20 to find the missing three numbers: 20,,,.

  • A17, 14, 12
  • B18, 16, 14
  • C17, 16, 14
  • D17, 14, 11

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