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Four Rules, Rounding & Place Value

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Presentation on theme: "Four Rules, Rounding & Place Value"— Presentation transcript:

1 Four Rules, Rounding & Place Value
Week 2 Have a GCSE D Grade 3 or Lv2 Functional Maths? Tell me now, you’re in the wrong class!

2 What you need to know E3 – L2
Add and subtract using three-digit numbers Solve practical problems involving multiplication and division by 2, 3, 4, 5 and 10 Place value, addition, subtraction, temperature, and negative numbers.

3 Round, whole number, decimal places, rearrange
What will you learn today? (something you did not know yesterday) By the end of this session I will be able to… Identify the 4 rules of number Demonstrate skills with four rules Demonstrate skills with calculators Identify rules of rounding Round to the nearest 10, 100 or 1000 Round, whole number, decimal places, rearrange Key Words

4 Four rules of number Addition Subtraction Multiplication Division

5 Vocabulary Split a page into quarters
Addition Subtraction Multiplication Division Vocabulary Split a page into quarters Think of all the words that could be used in place of the 4 rules

6 Addition Total Together More Increase And Sum Plus

7 Subtraction Minus Take away Difference between Subtract Decrease Reduce Take from

8 Multiplication Multiply Product Groups of Lots of Times Multiplied by

9 Division Share Split Divided by Group Share equally Divide Divisible by

10 Have a go at these 21 22 20 18 17 23 19 24 29 30 28 27 25 26 16 14 4 5 3 2 End 1 6 7 12 13 11 10 8 9 15

11 Tables Time 29 30 32 28 31 26 23 24 25 33 27 34 42 41 43 44 45 40 39 35 36 37 38 22 21 5 6 7 8 4 3 End 1 2 20 9 16 17 18 19 10 15 11 14 12 13 7 x 5 = 4 x 5 = 1 x 9 = 3 x 5 = 3 x 4 = 1 x 8 = 6 x 7 = 2 x 8 = 4 x 4 = 2 x 3 = 7 x 3 = 6 x 8 = 3 x 9 = 5 x 6 = 7 x 10 = 35 20 9 15 12 8 42 16 6 21 48 27 30 70

12 Complete these before the time
3 minutes 2 5 + 2 9 3 4 - 2 1 1 0 × 9 1 8 ÷ 9 4 5 + 28 7 5 - 3 8 1 5 × 8 8 6 ÷ 7 5 5 + 2 7 5 4 - 2 7 3 5 × 7 1 2 5 ÷ 5

13 28 27 29 30 31 26 25 21 20 22 23 24 32 33 42 41 43 44 45 40 39 35 34 36 37 38 19 18 5 7 8 4 3 End 1 2 9 6 15 10 17 14 16 13 11 12 Real life questions A notice in the post office window shows a week’s bargains. At a dancing competition there is one steward for every 50 ticket holders. There are 950 ticket holders. A customer buys a box of notelets, a set of high lighters and two packs of envelopes How many stewards are there at the competition? A 15 B 17 C 19 D 21 A £7.37 B £8.48 C £9.47 D £10.47 How much does the customer pay in total?

14 A pen is normally £1. 10. There is ‘5p off’ each pen during the sale
A pen is normally £1.10. There is ‘5p off’ each pen during the sale. A customer buys 10 pens. At a concert they have 240 security guards. The security guards are each paid £8 an hour. They each work 6 hours. The amount paid for security guards is How much does she pay? A £1.05 B £10.05 C £10.50 D £15.00 A £1440 B £1920 C £3360 D £11 520 30 31 32 33 29 26 24 25 34 27 28 37 42 43 44 45 41 40 36 23 38 39 35 19 6 7 8 9 5 4 End 1 2 3 10 11 17 18 20 21 16 15 12 13 14 22

15 Rounding

16 Diagnostics Questions

17 Diagnostics Questions

18 Individual Study Choose which areas to develop depending on your own strengths and areas identified from your diagnostic Computers available

19 Reflection of the lesson
What did you learn new today? Why did you learn it? How are you going to remember it?


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