INDEX 315dates 194–95
Roman numerals for 11
days 194, 195
decagon 218
decimal currency 198
decimal numbers 58–9
adding 62, 87
comparing 60
dividing 150–51
fractions 74
multiplying 124–25, 127
ordering 60
percentages 65
probability 298, 299
remainders 148, 149
rounding 61
subtracting 63
decimal point 13, 58, 59
degrees (angles) 231
measuring 238
degrees Celsius (°C) 186, 187
degrees centigrade 186
degrees Fahrenheit (°F) 186, 187
denominator 41, 149
common 51
comparing fractions 48
equivalent fractions 44, 45
finding fractions 47
simplifying fractions 46
unit fractions 49
descending order 23
diagonal lines 206–07, 210, 211
diameter of a circle 220, 221
dice 299
difference (subtraction) 88,
89, 92
digits 10
place value 12, 13
rounding up and down 27
significant 27
direction
compass 254–55
lines of 205
position and 252–53
distance 160, 161
calculations with length 162,
163
distributive law 155, 303
dividend 130, 131
dividing by 10, 100, and 1000
136
divisibility,
checking for 135
division 128–29, 136
decimals 150–51
equivalent fractions 45
expanded long 144–45
expanded short 140–41, 148
factor pairs 134
fractions 56–7division (continued)
long division 146–47
by multiples of 10 137
with multiples 130
order of operations 152, 153
partitioning for 138–39
short division 142–43
division grid 131
division tables 132–33
divisor 130, 131
dodecagon 219
dodecahedron 225E
edge (three-dimensional
shapes) 222, 223, 224,
225
Egyptian numerals 10–11
elements of sets 274
equals 20
equations 302
formulas 308, 309
symbol for 21, 24, 78, 88
equations 302–03
equilateral triangles 213, 215,
240
finding the perimeter of 167
lines of symmetry 257
polyhedrons 225
rotational symmetry 259
equivalent fractions 44–5, 46
estimating 24–5
angles 239
area 169
using a calculator 157
Euclid 33
expanded column addition
84–5
expanded column subtraction
94–5
expanded long division 144–45
expanded long multiplication
118–19
expanded short division 140–41,
148
expanded short multiplication
114–15
expression (algebra) 303F
faces
prism 226
three-dimensional (3D)
shapes
222, 223, 224, 225
factor pairs 28, 101
dividing with 134
factor trees 35
factors 28–9, 31
highest common 46factors (continued)
multiplication grid 106
prime 34–5
scale 73
Fahrenheit scale 186
feet 189, 190
Fibonacci sequence 17
finding fractions 47
finding the difference
(subtraction) 88, 89, 92
expanded column
subtraction 94, 95
formulas 306–09
angles inside polygons 247
area 170–71
areas of parallelograms 173
areas of triangles 172
perimeter 166–67
volume 181
pie charts 294
probability 298
fraction wall 44
fractions 40–1
adding 52
comparing 48
comparing units 49
decimals 59, 74, 75
dividing 56–7
equivalent 44–5, 46
finding 47
improper 42–3
multiplying 54–5
non-unit 40–1, 50, 55
percentages 64, 65, 67,
74, 75
pie charts 293
probability 296, 298, 299
proportion 70, 74
ratio 74
remainders 148, 149
scaling 100
simplifying 46
subtracting 53
unit 40–1
frequency chart 283
frequency tables 269, 271,
286, 294G
gallons 189, 190
general terms (sequences) 306
geoboard 265
geodesic dome 240
geometry 203–65
angles 230–47
circles 220–21
coordinates 247–53
compass points 254–55
lines 204–11
nets 228–29geometry (continued)
polygons 213, 218–19,
246–47, 251
prisms 226–27
quadrilaterals 216–17,
244, 245
reflection 260–61
rotation 262–63
symmetry 256–59
three-dimensional (3D)
shapes 222–29
translation 264–65
triangles 214–15, 240–41,
242–43
two-dimensional (2D) shapes
212–21
using a protractor 238–39
grams (g) 182
graphs
axes 288, 289, 290, 291
bar (charts) 269, 285, 286–87
block 284
conversion 289
line 288–89, 290–91
quadrants of 250, 251
weight 183
greater than symbol 20, 21
grid
adding 81, 86
column addition 86
coordinates 248, 249, 250,
251
division 131
equivalent fractions 45
multiplication 45, 106, 112–13,
131
number 81
partitioning 111
place value 86
position and direction 252
translation 265H
height
measuring 160, 161
three-dimensional (3D)
shapes 222
two-dimensional (2D) shapes
212
hemispheres 224
heptagons 218
angles inside 246, 247
hexagonal prism 227
hexagons 212, 213
angles inside 246
diagonals 207
lines of symmetry 257
naming 218
order of rotational symmetry
259314_318_Maths_Index.indd 315 29/02/2016 18:57