Maths Quiz Slides ANSWERS.notebook - Ludlow …...Maths Quiz Slides ANSWERS.notebook 3 March 18,...

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Maths Quiz Slides ANSWERS.notebook 1 March 18, 2020 Nov 1218:58 ANSWERS

Transcript of Maths Quiz Slides ANSWERS.notebook - Ludlow …...Maths Quiz Slides ANSWERS.notebook 3 March 18,...

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ANSWERS

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Addition method

Think carefully about whether or not you might have to regroup!

453 + 234 = 687

1345 + 105 = 1450

2456 + 1234 = 3690

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Subtraction method

Think carefully about whether or not you might have to regroup!

1345 - 353 = 992

23456 - 1247 = 22209

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302   x   3 = 906

Multiplication - how would you lay out your method?

1256   x   6 = 7536

15671 x 5 = 78355

34 x 12 = 408

145 x 15 = 2175

Trickier:

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5  6    5  0

Division - bus stop method

Don't forget to use your jottings to help you!

3   8   1   3

4   3   2   4

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What is a cubed number?

e.g. 43= 4 x 4 x 4 = 64

Try these:

3= 2

3= 3

5   +  2    =2

3   ­   8   =2

1  0    x   2  =2

Extra Challenge:

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What is a PRIME NUMBER?

Which of these is a prime number?

4    8    7    9     20

because it is only in its own times tables and the 1 x tables

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You try:

Round 3859 to the nearest thousand = 4000

Round 7176 to the nearest hundred = 7200

Round 835 to the nearest ten = 830

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Roman Numerals:

I   =   1

V =   5

X =   10

C =  100  (Century = 100 years)

M =  1000  (Millenium = 1000 years)

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2  34   0        4   0

+1   5

Adding and subtracting fractions...

What do we do if the whole is the same?

81   2        1   2

­   4

=

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3   2 .. 4

5  6 .. 8

Top Tip: jottings

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700    10.. =

2  4   x   10  =

345 100 =..

0.67   x   1000 =

Don't forget to use your place value grid to help you!

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Fill in the gaps using your knowledge of FDP equivalents!

Remember- % means out of 100

Fraction Decimal Percentage

610

0.34

7%

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Write an equivalent fraction for:

1

2

1

4

2

3

3

4

e.g.

84

x2

x2

=

=

=

=

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100 is a SQUARE NUMBER (10 x 10)

Which of these is NOT a SQUARE NUMBER?

4        9       16       25      40      81

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Complete the number sequence:

5 9 7 0 0        5 9 7  5.97