1. Decimals Today you will need …… Orange Books Calculator Pen Ruler
Week 8
Today you will need ……
Orange Books
Calculator
Pen
Ruler
Complete your tracking sheet to evaluate your skills before the lesson

2. What you need to know E3 –L2
Understand that the decimal point separates pounds and pence, or m and cm
Understand the use of zero as a place holder, e.g. £1.05 is £1 and 5p
Understand the use of a leading zero, e.g. 35p = £0.35; 0.5 m = 50 cm
Recognise .5 as a half, e.g. 2.5 m as 21/2
Know how to key in and interpret money calculations e.g. key in 85p as 0.85, interpret 8.2 as £8.20
Understand that a calculator will sometimes display a string of digits after the decimal point, and that it is only necessary (at this level) to read the first two, e.g is £1.33
Know how to align decimal points and figures in column addition and subtraction
Know how to enter sums of money in a calculator
Recognise when to round up to the nearest £, e.g. £1.99 is approximately £2
Understand that the position of a digit signifies its value
Know that the decimal point separates whole numbers from decimal fractions
Know what each digit represents, including the use of zero as a place holder
Know and use strategies to check answers e.g. approximate calculations using whole numbers
Understand place value for whole numbers and to two-decimal places
Know what is meant by decimal places
Understand place value of whole numbers and decimals
Know that, for column addition and subtraction, decimals should be aligned by the decimal point
Understand place value for whole numbers and up to three decimal places
Understand that decimals can be rounded to different degrees of accuracy, depending on the purpose
Know and use strategies to check answers, e.g. approximate calculations using whole numbers
Understand that exchange rates of currencies are not fixed, but vary on a daily basis
Understand buying rate and selling rate

3. Decimal places, ascending, descending, estimate
What will you learn today? (something you did not know yesterday) By the end of this session I will be able to…
Order decimals
Calculate with decimals
Round numbers to a set number of decimal places
Check calculations
Scenario style questioning
Decimal places, ascending, descending, estimate
Key Words

4. Skills Demonstration – ordering decimals
3.333, 3.11, 3.01, 3.001, 3.301
3.333, 3.301, 3.11, 3.01, 3.001

5. Skills Demonstration – rounding decimals
Round the following to the nearest whole number
(a) ………………………………………
(b) ………………………………………
(c) ………………………………………
Round the following to 1 decimal place (1dp)
(a) ………………………………………
(c) ……………………………………… 1 4 11
1.4
3.6
10.5

6. Calculation Checks

7. Individual Study – calculating with decimals
Calculate the individual cost of 17 items.
Reverse check
Calculate total cost of fundraising

8. Please don’t write on the worksheets
Individual Study
Choose which areas to develop depending on your own strengths and areas identified from your diagnostic
Computers available
Please don’t write on the worksheets

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