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Count Backwards: 20-10

In this worksheet, students count backwards from 20 to 10, noting any missing numbers in the sequence.

'Count Backwards: 20-10' worksheet

Key stage:  KS 1

Curriculum topic:   Number: Number and Place Value

Curriculum subtopic:   Count to 100

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Estimating means giving your best guess. Use the clues to help you make a really good guess before you actually count the number of objects.

 

Example:

Use the clues given. Look at the number of objects from left to right they are going down by one each time. If there are 5 stars, 4 clubs and 2 ladies then there is likely to be 3 umbrellas.

First estimate and then count the number of umbrellas. Then you must write the correct number.

 

 

5 4 ? 2

 

 

Answer = 3

First estimate and then count the number of sun's. Write the correct number below.

 

? 18 17 16

First estimate and then count the number of snowflakes. Write the correct number below.

 

17 16 15 ?

First estimate and then count the number of musical notes. Write the correct number below.

 

14 13 ? 11

First estimate and then count the number of fish. Write the correct number below.

 

18 ? 16 15

First estimate and then count the number of flowers. Write the correct number below.

 

13 12 11 ?

First estimate and then count the number of butterflies. Write the correct number below.

 

17 16 ? 14

First estimate and then count the number of  blue stars. Write the correct number below.

 

? 15 14 13

First estimate and then count the number of pink flowers. Write the correct number below.

 

12 11 10 ?

First estimate and then count the number of butterflies. Write the correct number below.

 

17 16 ? 14
  • Question 1

First estimate and then count the number of sun's. Write the correct number below.

 

? 18 17 16
CORRECT ANSWER
19
EDDIE SAYS
There are 19 suns.
  • Question 2

First estimate and then count the number of snowflakes. Write the correct number below.

 

17 16 15 ?
CORRECT ANSWER
14
EDDIE SAYS
There are 14 snowflakes.
  • Question 3

First estimate and then count the number of musical notes. Write the correct number below.

 

14 13 ? 11
CORRECT ANSWER
12
EDDIE SAYS
There are 12 musical notes.
  • Question 4

First estimate and then count the number of fish. Write the correct number below.

 

18 ? 16 15
CORRECT ANSWER
17
EDDIE SAYS
There are 17 fish.
  • Question 5

First estimate and then count the number of flowers. Write the correct number below.

 

13 12 11 ?
CORRECT ANSWER
10
EDDIE SAYS
There are 10 flowers.
  • Question 6

First estimate and then count the number of butterflies. Write the correct number below.

 

17 16 ? 14
CORRECT ANSWER
15
EDDIE SAYS
There are 15 butterflies.
  • Question 7

First estimate and then count the number of  blue stars. Write the correct number below.

 

? 15 14 13
CORRECT ANSWER
16
EDDIE SAYS
There are 16 blue stars.
  • Question 8

First estimate and then count the number of pink flowers. Write the correct number below.

 

12 11 10 ?
CORRECT ANSWER
9
EDDIE SAYS
There are 9 pink flowers.
  • Question 9

First estimate and then count the number of butterflies. Write the correct number below.

 

17 16 ? 14
CORRECT ANSWER
15
EDDIE SAYS
There are 15 butterflies.
---- OR ----

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