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# 5 a day Mental maths - PowerPoint PPT Presentation

5 a day Mental maths. 1. Subtract 10 from 40. 30. 2. What is the total of 13 and 5?. 18. 3. How much less is 12 than 20?. 8. 4. 4. What is ½ of 8?. 5. What is next in the pattern? 12 10 8 6 ?. 4. 1. How much more is 15 than 9?. 6. 2. Add 3, 4, and 1. 8.

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Mental maths

1. Subtract 10 from 40

30

2. What is the total of 13 and 5?

18

3. How much less is 12 than 20?

8

4

4. What is ½ of 8?

5. What is next in the pattern?

12 10 8 6 ?

4

1. How much more is 15 than 9?

6

2. Add 3, 4, and 1

8

3. Take 12 from 18

6

5

4. Share 10 between 2

5. Subtract 10 from 13

3

3

2. Which is smaller 36 or 63?

36

• Put these into order

• – smallest to biggest

• 21 12 9 19 10

9 10 12 19 21

4. What is 14 – 11?

3

5. Subtract 10 from 13

3

1/4

2. What is the value of 42

40

• How many minutes in an hour?

60

4. What is 3 + 11?

14

5. Continue the pattern

21 – 19 – 17 – 15 - ?

13

Monday

5

2. How many 2p’s in 10p?

3. 21 subtract 10

11

4. Double 5

10

5. What is 6 x 2?

12

100

2. What fraction is not blue?

1/3

• What is one more and less of 17?

16 and 18

4. How many days are in a week?

7

5. How many months in a year?

12

342

• What is missing?

• August, September, -------- November

October

• What value is this?

• 2 5 6

200

4. John is 10 – Ann is 2 years younger

and Don is 1 year older than she is. How old is Don?

9

5. Which are odd?

26 21 25 24 20

21 25

1. Write in words 25

• 30 + ? = 100

70

7

• What is half of 14?

4. John saved £2 a day for 5 days.

How much did he save?

10

5. Which are even?

18 19 11 28

18 28

65

• How many 10p’s are there in a £1?

10

• Finish the pattern

• 60 50 40 30 ?

20

½

4. Write a half as a fraction

4 O’ Clock

5. ? O’ Clock

1. Draw an arrow facing West his dad?

or

• Draw a rectangle

• Which is the odd one out

• 12 14 11 ?

11

12

4. What is double 6

• What is the difference between

• 8 and 15?

7

1 his dad?. How many sides has a hexagon?

6

2. What is the total of 3, 6 and 2?

10

3. How much less is 9 than 21?

12

7

4. What is ½ of 14?

5. What is next in the pattern?

100, 90, 80, 70, ?

60

1 his dad?. How many sides has an octagon?

8

2. How much less is 14 than 19?

5

3. How much more than 3 is 20?

17

4. What is ½ of 20?

10

5. Draw the mirror image of this shape.

1 his dad?. 2 x 9

18

2. 14 + ? = 20

6

3. I have no corners and 2 faces?

• I am 4 years older than Jane.

• She is 9 – how old am I?

10

5. 3 + 0 = ?

3

1 his dad?. 20 subtract 12

18

2. 14 + ? = 20

6

3. I have no corners and 2 faces?

• I am 4 years older than Jane.

• She is 9 – how old am I?

13

5. 3 + 0 = ?

3

1 his dad?. Which is missing?

31

10

2. 12 + 4 – 6?

3. I have 3 corners and 3 sides -

What shape am I?

• Divide 15 by 3

5

5. 14 – 4 x 2 = ?

20

14 32 39 40

2. 20 ÷ 10

2

3. What is the difference between

50 and a 100?

50

• Share 20 between 5

4

5. Draw a square

• Which season is missing?

• Winter --------- Summer Winter

Spring

3. What is the difference between

50 and a 100?

50

• Where would you put≥

• 5 3

5 ≥ 3

5. Draw a square

16

2. How seconds in ½ a minute?

30

3. I am 3D shape with 2 edges, 2 circular

faces and one other. Draw me

11

4. 13 – 9 + 7 = ?

• Draw a line of symmetry on

• this shape

56 and 65

2. How many days in 2 weeks?

14

• Jane is half as old as me. I am 22 -

• how old is Jane?

11

• I am cold and wet and a 3D shape you put in drinks – what am I?

cube

• Count how many are in today plus the teacher and TA’s