Year 9 Number

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Decimals | Magic Squares | Powers & roots |  BEDMAS | Standard Form |  Integers | Multiples, Factors & Primes | Rounding | Fractions | Percentages

1

Course Introduction and Information,
Number Puzzle: digits 1 to 9
Investigation: Happy numbers, Sneaky numbers, Wobbly Numbers
More Number Puzzles

Circle three Puzzle | Diffy Puzzle | Happy Numbers |

Digits 1 to 9 | six 9's

Links: Number Home page | Decimals

Circle 3 – A puzzle involving adding positive real numbers to sum to three.

Diffy – Solve an interesting puzzle involving the differences of given numbers.

 Puzzle Sheet

Place Value review
Ordering decimals:
Which decimal is larger?
Multiply & Divide by 10, 100 ,1000
Broken calculator
Standard Form and Scientific Notation introduction

Place Value | Decimals | Powers of 10 | Standard Form A | B

Numbers in expanded forms

Which is the larger Decimal | Multiply & Divide by 10 (Liz Philips)

           p22 Ex 2.1
           p26 Ex 2.2
           p33 Ex 2.10
            p33 Ex 2.11
           p38 Ex 2.16
           p31 Ex 2.7 (No calculator Use)
            p32 Ex 2.9 (No calculator Use)

Links: A million dots | Dot for every second | Size of numbers

10's and powers sheet

Magic Squares

Magic Squares | Place Value

 5 x 5c puzzle | Magic Square page

Links: Magic square webpage

Powers & roots

MR Notes

p73 Ex 5.1
                p73 Ex 5.2
                p73 Ex 5.3
                p73 Ex 5.4

Links:
Puzzle grid | Powers & roots

Powers & Roots

p75 Ex 5.5
                p76 Ex 5.6 1-4
                p79 Ex 5.7
                p80 Ex 5.8

Links:

BEDMAS

p81 Ex 6.1
                p82 Ex 6.2
                p84 Ex 6.3
                p85 Ex 6.4

Links: Bedmas animation | BEDMAS Webpage

Standard Form and Scientific Notation Practice

Standard Form B

Links: Standard Form

Number Puzzles – Solve puzzles involving arranging numbers on a diagram so that they add up to a given value.

Standard Form Sheet

Integers – introduction
Add, subtract

Integers A

p46 Ex 3.1
                p47 Ex 3.2
                p50 Ex 3.3
                p50 Ex 3.4
                p53 Ex 3.7
                p53 Ex 3.8
                p54 Ex 3.9-13

Links: Integers Webpage

Integers – multiply & divide

Integers B

p58 Ex 3.15
                p60 Ex 3.16
                p60 Ex 3.17

Links:

	Circle 0 – A puzzle involving adding positive and negative integers to sum to zero.
	Circle 21 – A puzzle involving adding positive and negative integers to sum to twenty one.

Circle 99 – A puzzle involving adding positive and negative integers to sum to ninety nine.

Multiples, factors, HCF, LCM

MR Notes

Link to multiples animation

p62 Ex 4.1
                p64 Ex 4.2
                p65 Ex 4.3
                p66 Ex 4.4
                p67 Ex 4.5
                p69 Ex 4.6
                p70 Ex 4.7

Links: Multiples Webpage

Prime numbers

MR Notes

Prime Animation

p69 Ex 4.6
                p70 Ex 4.7

Links: Primes Webpage

Recurring decimals

MR Notes

p40 Ex 2.19

Links:

Rounding to d.p. & (sig. fig.)

MR Notes

p42 Ex 2.20
                p43 Ex 2.21

Links: Rounding Webpage

Fractions: add, subtract, multiply, divide, simplify, mixed numbers, reciprocal
(do a selection of appropriate exercises)
p86 Ex 7.1
p87 Ex 7.2
p89 Ex 7.3
p91 Ex 7.4
p92 Ex 7.5

Fractions

More Fractions
p94 Ex 7.6
p94 Ex 7.7
p98 Ex 7.8
p96 Ex 7.9
10, 11, 13,
14,15,16,17,18

Fraction, decimal, percentage conversions
p108 Ex 7.19
p109 Ex 7.20
p109 Ex 7.21
p110 Ex 7.22
p113 Ex 8.1
p113 Ex 8.2
p114 Ex 8.3
p115 Ex 8.4

Fraction, decimal, percentage conversions

Fractions & Percentages of
p116 Ex 8.5

Measurement Revision | Number Revision

Percentage increase
p121 Ex 8.7

Express as a %
p118 Ex 8.6

Test on material to date