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Know Your Numbers: Jumping Backwards in Tens

In this worksheet, students count backwards in jumps of ten from three- and two-digit figures to work out the next numbers in a given sequence.

'Know Your Numbers: Jumping Backwards in Tens' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Number and Place Value

Curriculum subtopic:  Count in Multiples (4, 8, 50 and 100)

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Freddie the frog loves jumping around on number lines. He always likes to make a clever number sequence. Use your finger to follow the jumps that he makes.

 

Example:

Count the frog's jumps to work out missing numbers in the sequence.

Pop your finger on the first number, then follow the jumps. Are the numbers getting bigger or smaller? Is Freddie going backwards or forwards? Can you see a pattern? What could the missing number be? What could the next number be?

 

 

90 80 70 A B

 

Answer:

A = 60

B = 50

Count the frog's jumps to work out missing numbers in the sequence.

 

110 100 90 80 a b
a=70 and b=60

a=70 and b=50

a=60 and b=70

a=80 and b=60

Count the frog's jumps to work out missing numbers in the sequence.

 

90 80 70 60 a b
a=60 and b=50

a=50 and b=40

a=70 and b=50

a=70 and b=60

Count the frog's jumps to work out missing numbers in the sequence.

 

100 90 80 70 a b
a=70 and b=60

a=70 and b=50

a=50 and b=40

a=60 and b=50

Count the frog's jumps to work out missing numbers in the sequence.

 

70 60 50 40 a b
a=60 and b=50

a=30 and b=20

a=20 and b=30

a=40 and b=30

Count the frog's jumps to work out missing numbers in the sequence.

 

80 70 60 50 a b
a=30 and b=40

a=40 and b=30

a=50 and b=40

a=60 and b=50

Count the frog's jumps to work out missing numbers in the sequence.

 

60 50 40 30 a b
a=20 and b=10

a=10 and b=20

a=40 and b=30

a=30 and b=40

Count the frog's jumps to work out missing numbers in the sequence.

 

140 130 120 110 a b
a=90 and b=80

a=110 and b=100

a=100 and b=90

a=90 and b=100

Count the frog's jumps to work out missing numbers in the sequence.

 

150 140 130 120 a b
a=100 and b=90

a=110 and b=100

a=90 and b=100

a=100 and b=110

Count the frog's jumps to work out missing numbers in the sequence.

 

120 110 100 90 a b
a=70 and b=80

a=60 and b=50

a=80 and b=70

a=90 and b=80

Count the frog's jumps to work out missing numbers in the sequence.

 

130 120 110 100 a b
a=100 and b=110

a=90 and b=80

a=80 and b=90

a=100 and b=90

  • Question 1

Count the frog's jumps to work out missing numbers in the sequence.

 

110 100 90 80 a b
CORRECT ANSWER
a=70 and b=60
EDDIE SAYS
110, 100, 90, 80, 70, 60 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 2

Count the frog's jumps to work out missing numbers in the sequence.

 

90 80 70 60 a b
CORRECT ANSWER
a=50 and b=40
EDDIE SAYS
90, 80, 70, 60, 50, 40 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 3

Count the frog's jumps to work out missing numbers in the sequence.

 

100 90 80 70 a b
CORRECT ANSWER
a=60 and b=50
EDDIE SAYS
100, 90, 80, 70, 60, 50 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 4

Count the frog's jumps to work out missing numbers in the sequence.

 

70 60 50 40 a b
CORRECT ANSWER
a=30 and b=20
EDDIE SAYS
70, 60, 50, 40, 30, 20 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 5

Count the frog's jumps to work out missing numbers in the sequence.

 

80 70 60 50 a b
CORRECT ANSWER
a=40 and b=30
EDDIE SAYS
80, 70, 60, 50, 40, 30 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 6

Count the frog's jumps to work out missing numbers in the sequence.

 

60 50 40 30 a b
CORRECT ANSWER
a=20 and b=10
EDDIE SAYS
60, 50, 40, 30, 20, 10 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 7

Count the frog's jumps to work out missing numbers in the sequence.

 

140 130 120 110 a b
CORRECT ANSWER
a=100 and b=90
EDDIE SAYS
140, 130, 120, 110, 100, 90 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 8

Count the frog's jumps to work out missing numbers in the sequence.

 

150 140 130 120 a b
CORRECT ANSWER
a=110 and b=100
EDDIE SAYS
150, 140, 130, 120, 110, 100 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 9

Count the frog's jumps to work out missing numbers in the sequence.

 

120 110 100 90 a b
CORRECT ANSWER
a=80 and b=70
EDDIE SAYS
120, 110, 100, 90, 80, 70 is the sequence.
Freddie is jumping backwards 10 places each time.
  • Question 10

Count the frog's jumps to work out missing numbers in the sequence.

 

130 120 110 100 a b
CORRECT ANSWER
a=90 and b=80
EDDIE SAYS
130, 120, 110, 100, 90, 80 is the sequence.
Freddie is jumping backwards 10 places each time.
---- OR ----

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