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This collection of numeracy topics includes decimal multiplication and division, solving equations, calculating time differences, calculating volume, identifying angles, creating bar graphs, and constructing line graphs.
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Numeracy Across the Curriculum Chatelherault Primary School
Numeracy Working Party Chatelherault Primary
Numeracy Working Party Chatelherault Primary
Numeracy Working Party Decimal Multiplication STEP1: x by 10,100,1000 STEP2: x by 2,3,4,5 etc Examples: 1.12.7 x 30 2. 67.3 x 600 STEP 1: 12.7 x 10 = 127 67.3 x 100 = 6730 STEP 2: 127 x 3 = 127 6730 x 6 = 6730 x3 x6 381 40380 Chatelherault Primary Decimal Numbers 2 4 1
Numeracy Working Party Decimal Division (multiples of 10, 100, 1000). STEP1: ÷ by 10,100,1000 STEP2: ÷ by 2,3,4,5 etc Examples: 1.1687.5 ÷ 30 2. 421.5 ÷ 500 STEP 1: 1687.5 ÷ 10 = 168.75 421.5 ÷ 100 = 4.215 STEP 2: 168.75 ÷ 3 = 56.25 4.215 ÷ 5 = 0.843 The answers to STEP 2 were calculated using the technique illustrated in the previous slide. Chatelherault Primary Decimal Numbers
Numeracy Working Party Chatelherault Primary
Calculator Method Non - Calculator Method e.g. 19% of £60 e.g. 17.5% of 300 Harder Percentages www.mathsrevision.com 10% 300 ÷ 10 = £30 19 ÷ 100x 60 = £11.40 5% 30 ÷ 2 = £15 2.5% 15 ÷ 2 = £ 7.50 £52.50 17.5 % Numeracy Working Party Chatelherault Primary
Numeracy Working Party Chatelherault Primary
Numeracy Working Party Solving Equations • Examples: • 3x + 4 = 13 2. 5x – 3 = 3x + 7 • 3x = 13 – 4 5x – 3x = 7 + 3 • 3x = 9 2x = 10 • x = 3 x = 5 • Rule: Change side Change sign Chatelherault Primary
When working out time difference we will use the Counting On Method . This method will always work. Example : Find the time difference between Time Intervals 08 40 hrs and 11 10 hrs www.mathsrevision.com Hrs Mins nearest what’s left 20 hours O riginal hour time 2 08 40 09 00 11 00 11 10 + 10 20 mins 2 hrs 10 mins 2 30 Numeracy Working Party Chatelherault Primary
Numeracy Working Party Chatelherault Primary
Numeracy Working Party Chatelherault Primary
Heilander’s Porridge Oats Numeracy Working Party Volume = l x b x h 27cm Volume = 18 x 5 x 27 Volume = 2430 cm3 Chatelherault Primary 5 cm 18 cm 1 Litre = 1000ml 1ml = 1cm3
Numeracy Working Party Chatelherault Primary
Naming Angles Numeracy Working Party Chatelherault Primary
Type of Angles Horizontal Acute Obtuse Right Angle less than 90 o Between 90 – 180 o o exactly 90 o Straight Line Angle exactly 180 o reflex over 180 less than 360 o o Numeracy Working Party Chatelherault Primary
55 o 115 o o o 65 35 Two angles making a Two angles making a o o Finding Missing Angles right angle add up to 90 straight line add up to 180 (Complementary angles) (Supplementary angles) 146 o o 95 o 120 o 34 o 34 145 o 146 o Angles round a point Angles opposite each other o always add up to 360 at a cross are equal. Numeracy Working Party Chatelherault Primary
Numeracy Working Party Chatelherault Primary
Favourite Pets What labels should we 12 use for the Bar Chart 10 Title, Scale, Labels and Units where appropriate 8 Bar Graph 6 4 Number of Pupils 2 0 Cat Dog Rabbit Hamster Snake Pets Numeracy Working Party Chatelherault Primary
103 102 101 100 99 98 97 6:00 am 7:00 am 8:00 am 9:00 am 10:00 am 11:00 am 101 102 102 101 100.5 101 Temp C Numeracy Working Party Constructing a Line Graph A hospital nurse recorded a patient’s temperature every hour Temperature versus Time Chatelherault Primary TemperatureC Time Hours
Practise the things Expect to get out you find difficult ! what you put in . Study Skills For Success Practice makes perfect ! Success is 99% perspiration Revision is active 1% inspiration NOT passive Numeracy Working Party Chatelherault Primary