Grade 1, Number sense

Count on and back to 20

Fill in the missing numbers, counting forward and backward.

Three levels

One skill, rising difficulty

Each sheet carries one level. The three are the same skill at rising difficulty, each named for what it practises.

Level 1: Count on
Find the pattern. Write the missing numbers.
Level 2: Count back
Find the pattern. Write the missing numbers.
Level 3: Count on and back
Find the pattern. Write the missing numbers.

Worked example

How the sheet explains it

The helper printed at the top of each sheet: one solved example and the steps a student follows, before the first question. Every number sentence in it is proven by the same checker as the answer key.

Level 1: Count on

7, 8, 9, 10, 11

  1. Look at 7, 8. The numbers get bigger by 1 each time.
  2. Count on by 1s to fill the blanks: 9, 11.

Level 2: Count back

15, 14, 13, 12, 11

  1. Look at 15, 14. The numbers get smaller by 1 each time.
  2. Count back by 1s to fill the blanks: 12, 11.

Level 3: Count on and back

12, 11, 10, 9, 8, 7

  1. Look at 12, 11. The numbers get smaller by 1 each time.
  2. Count back by 1s to fill the blanks: 10, 8, 7.

Goes with

Reference sheets

One-page helpers a student keeps beside this sheet:

  • Hundred chart and skip counting
  • Number words

Every reference, facts and support sheet is listed in the worksheet catalogue.

In the BC curriculum

Content standards

The British Columbia content standard this skill is written for, by the codes used across this site:

  • bc.math.1.c.1

The wording of each standard is on the Province's mathematics curriculum page.

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Back to all worksheets by grade, or read the Grade 1 guide to what this grade learns in British Columbia.