addition ( practical)

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Addition ( practical) EYFS 1 elephant went out to play …. 1 potato, 2 potato ... Counting forwards 0 1 2 3 4 5 6 7 8 9 10 1 more than … How many apples? How many oranges? How many altogether ?

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EYFS. Addition ( practical). 1 elephant went out to play …. 1 potato, 2 potato. Counting forwards 0 1 2 3 4 5 6 7 8 9 10. How many apples? How many oranges? How many altogether?. 1 more than …. Stage 1. Addition ( practical). makes. 5. - PowerPoint PPT Presentation

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Page 1: Addition  ( practical)

Addition ( practical)

EYFS

1 elephant went out to play ….

1 potato, 2 potato ...

Counting forwards 0 1 2 3 4 5 6 7 8 9 10

1 more than …

How many apples?

How many oranges?

How many altogether?

Page 3: Addition  ( practical)

Addition ( printed

numberlines)

Stage 2

0

4 + 3 = 7

21 3 4 5 6 7 8

0

2 + 6 = 8 (same as 6 + 2)

21 3 4 5 6 7 8

Click here for video clip 2

Page 7: Addition  ( practical)

Subtraction (practical)

EYFS

5 little speckled frogs… 10 green bottles...

Counting backwards 10 9 8 7 6 5 4 3 2 1 0

10 fat sausages sizzling in pan…

5 little men in a flying saucer…

1 less than ……

Page 9: Addition  ( practical)

Subtraction (printed

numberlines)

Stage 2

0 21 3 4 5 6 7 8 9 10

10 – 6 = 4

COUNT BACKWARDS

COUNT ON TO FIND THE DIFFERENCE

0 21 3 4 5 6 7 8 9 10

5 + = 9

9 - 5 = 44

Click here for video clip 2a

Click here for video clip 2b

Page 10: Addition  ( practical)

Subtraction (blank numberline)

For taking away small amounts COUNT BACKWARDS.

-1

56 57 67

-10

Stage 3

For taking away large amounts COUNT ON from small number to large.

67 – 11 = 56

69 – 48 = 21

65 - 57 = 8

+10

+9

48 60 69

+2

50

+5

57 65

+3 60

2+10+9 = 21

3+5=8

Click here for video clip 3a

Click here for video clip 3b

Page 11: Addition  ( practical)

Subtraction (partitioning)

Stage 4

74 – 27 = 47

758 - 367 = 391

70 + 4 -20 + 7   40 + 7

60 14 700 + 50 +8 -300 + 60 +7   300 + 90 + 1

600 150

Click here for video clip 4

Page 13: Addition  ( practical)

Multiplication (practical)

EYFS

Counting in 2s

2 4 6 8 10

Counting in 10s

10

20 30 40

Page 14: Addition  ( practical)

Multiplication Stage 1

4 + 4 = 82 lots of 4 are 82 x 4 = 8

2 + 2 + 2 + 2 = 84 lots of 2 are 84 x 2 = 8

0 2 4 6 8

Click here for video clip 1

Page 15: Addition  ( practical)

Multiplication

6 x 8 = 48

Stage 2

0 8 16 24 32 4840

+8

+8

+8

+8

+8

+8

4 x 8 = 32

8 x 4 = 32 Click here for video clip 2

Page 17: Addition  ( practical)

Multiplication (grid

method)

Stage 4

14 x 33 = 462 100 30

120 12

10

4

30 3 300 120 30 + 12 462

9 x 346 = 3114 2700 360 549

300 40 6 2700 360+ 54 3 1 14

3 x 4.9 = 14. 7 12 2.7

4 0.9

3

12+ 2.7 14.7

Click here for video clip 4a

Click here for video clip 4b

Page 18: Addition  ( practical)

Multiplication (compact

method)

Stage 5

326 X 71 32622820

231461 4

1

274 X 92 548

24660

25208

1

6 3

1 1

Click here for video clip 5

Page 19: Addition  ( practical)

Division (practical) EYFS

Sharing 6 cakes between 2 people.

One for you.. One for me..

Page 20: Addition  ( practical)

Division (practical) Stage 1

12 ÷ 3 = 4

Sharing 12 cakes between 3 people is 4 each

Grouping 12 cakes into groups of 3 gives 4 sets.

12 ÷ 3 = 4

Click here for video clip 1a

Click here for video clip 1b

Page 22: Addition  ( practical)

Division (blank numberline chunking 2s

5s 10s)

45 ÷ 5 = 9

700 50 60

Stage 3

0 20 30 40 45

2x5 2x5 2x5 2x5 1x5

10

9 x 5

75 ÷ 5 = 15

15 x 5

10 x 5 2 x 5 2 x 5 1 x 5

75

Click here for video clip 3

Page 23: Addition  ( practical)

Division (chunking on blank

numberline)

106 ÷ 7 = 15 r1

Stage 4

10+2+2+1= 15

14 14

1x72x710 x 7

0 70

2x7

84 98 105

r1707

1x81x810 x 8

0 80

1x8

88 96 104

808

104 ÷ 8 = 13

8 8

10 +1 +1 +1 =13

TIP X 10 FIRST IF YOU CAN

Click here for video clip 4a

Click here for video clip 4b

Page 24: Addition  ( practical)

Division (chunking)

Stage 5

What do I know already?

10 x 12 = 120

20 x 12 = 240

5 x 12 = 60

2 x 12 = 24

325 ÷ 12 = 27 r1 325 (20 x 12) 240 - 85 ( 5 x 12) 60- 25 (2 x 12) 24 - 27 r1 Choose a

large ‘best fit’ chunk to start off with.Click here for

video clip 5