Numeracy Information Session

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Presentation transcript:

Numeracy Information Session 1

Session Aims The aims of this session are To improve your understanding of Numeracy To show you how to help your child with Numeracy

What is Numeracy? Estimation and rounding Number and number processes Fractions, decimals and percentages Money Time Measurement Information handling

Estimation and Rounding Estimation – Sometimes an exact answer is not required, a ball park figure is fine. – Helps check the reasonableness of our answers. Question How far is Glasgow from Edinburgh? Choose the best estimate. 75 cm 75 m 75 km 750 km

Estimation and Rounding Question How far is Glasgow from Edinburgh? Choose the best estimate. 75 cm 75 m 75 km 750 km Discussion Points Is it a big or small distance? What unit would be reasonable for measuring larger distances? The relationships between units e.g 100 cm = 1 m and 1000 m = 1 km What mode of transport would be used?

Estimation and Rounding Rounding – How accurate does the answer need to be? Question One day 75,241 football fans attended a game at Old Trafford. Round this to the nearest 1000. Question 2 The classroom is 7.5 m long. Round this to the nearest whole number.

Estimation and Rounding Rounding – How accurate does the answer need to be? Question 1 One day 75,241 football fans attended a game at Old Trafford. Round this to the nearest 1000. Question 2 The classroom is 7.5 m long. Round this to the nearest whole number. Discussion Points What place value does each digit represent? Is it closer to 75,000 or 76,000? What happens when the number is exactly half way between?

Number and Number Processes 1) 237 + 645 2) 453 - 76 3) 62 x 7 4) 216 ÷ 4 =

Number and Number Processes

Number and Number Processes

Number and Number Processes

Number and Number Processes

Fractions, Decimals and Percentages Question There are 16 pupils in class 2Y. 3 4 of them are girls. How many are girls?

Fractions, Decimals and Percentages

Fractions, Decimals and Percentages

Fractions, Decimals and Percentages Question Find 25% of 128 Find 30% of 140

Fractions, Decimals and Percentages Pictorially 25% means 25 boxes out of 100 From the diagram 25% = 1 4 ‘A quarter is half of half’ 1 2 of 128 = 64 1 2 of 64 = 32

Fractions, Decimals and Percentages 30% = 3 x 10% 10% = 1 10 1 10 of 140 = 14 14 x 3 = 42

Time Question A train leaves Glasgow Central at 10:40am and arrives in Edinburgh at 12:10pm. How long was the journey? An overnight ferry departs Dover at 23:15 The journey lasts 2 hours and 16 mins. What time does it arrive in Calais?

Time

Final thought – the iceberg. We’ve spoken today about what we’re doing in our respective departments; our hope is that it’s given you time to reflect on your own practice and has perhaps inspired some ideas.

Final thought – the iceberg. We’ve spoken today about what we’re doing in our respective departments; our hope is that it’s given you time to reflect on your own practice and has perhaps inspired some ideas.