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Year 5 Block D - Calculating, measuring and understanding shape Unit 1

Learning overview

In this learning overview are suggested assessment opportunities linked to the assessment focuses within the Assessing Pupils’ Progress (APP) guidelines. As you plan your teaching for this unit, draw on these suggestions and on alternative methods to help you to gather evidence of attainment, or to identify barriers to progress, that will inform your planning to meet the needs of particular groups of children. When you make a periodic assessment of children’s learning, this accumulating evidence will help you to determine the level at which they are working.

To gather evidence related to the three Ma1 assessment focuses (problem solving, reasoning and communicating), it is important to give children space and time to develop their own approaches and strategies throughout the mathematics curriculum, as well as through the application of skills across the curriculum.

In this unit the illustrated assessment focuses are:

  • Ma1, Reasoning
  • Ma2, Numbers and the number system
  • Ma2, Solving numerical problems.

Children continue to develop their problem-solving skills in the context of measurement, focusing on length and time, including using a calendar. They solve real-life problems involving one or two steps and any of the four operations. They interpret the wording, then decide the best way to solve a problem, which calculations to do and how to do them: mentally, with jottings, using an efficient written method or using a calculator. They learn to change any units to the same unit before they calculate. They estimate and check their answers.

Children multiply and divide whole numbers by 10, 100 and 1000. They answer questions like:

How many times bigger than 60 is 6000?
How many times smaller than 5000 is 5?
What did I multiply 6 by to get 600?
What did I divide 7500 by to get 75?

They see the effect of these operations. They combine this knowledge with their knowledge of relationships between units of measurement to convert units of length. They respond to questions such as:

How many centimetres are there in 7 metres?
How many metres are there in 8 kilometres?
How many centimetres is 50 millimetres?
How many kilometres is 10 000 metres?

Assessment focus: Ma2, Numbers and the number system

Look for evidence of children’s understanding of place value. Look out for children who understand what each digit represents in numbers with up to five digits. Look for children who use place value to multiply and divide whole numbers by 10 or 100 as they solve problems involving metric measure. Look for children who are beginning to multiply and divide by 1000 with consistent accuracy. Look for children who pose similar problems for a partner to solve and who know whether their responses are correct.

Children work in small groups to measure lengths and distances using tape measures, metre sticks and rulers to a suitable degree of accuracy, for example to the nearest metre, centimetre or millimetre. They read unnumbered divisions on measuring scales, for example on a ruler marked in millimetres and numbered every centimetre. They estimate the length, height and width of everyday objects, explaining how they made their estimates and discussing the benchmarks they have used; where possible, they then measure to see how accurate their estimates were. They measure the sides of regular and irregular polygons and calculate the perimeter, either by totalling the sides or, for regular polygons, multiplying the length of one side.

Children use their knowledge of parallel and perpendicular lines and of measurement to construct squares, rectangles and right-angled triangles using a set-square and ruler. They measure a dimension such as a diagonal of a rectangle or the hypotenuse of a right-angled triangle for their teacher to check the accuracy of their drawings.

Children use 24-hour clock times. They recognise the difference between am times from midnight to before noon and pm times from noon to before midnight, and they convert these to 24-hour clock times. They complete a simple conversion table, such as:

seven o'clock in the evening 19:00 7:00pm
quarter to ten in the morning    
  14:20  
  22:15  
midnight    
17 minutes past 4 in the afternoon    

Children rehearse how many days there are in each month. They understand how a calendar is organised and understand the significance of a leap year. They use a calendar to work out the day of the week for a particular date, or the time interval between one date and another, for example how long they have to wait for their birthday or how many days it has been since they last had their pocket money. Given part of a calendar for a month they can say whether a given date will fall on a particular day.

Assessment focus: Ma2, Solving numerical problems

Look for evidence of children solving problems with and without a calculator. Look for children making sense of the context of the problem, recognising the information that is relevant and the calculations they need to do. Look for children who recognise the calculations they need to perform in order to solve time duration problems. For example, look for children who are aware of the mixed units of hours and minutes, particularly if they decide to use a calculator to help them solve a problem such as finding the time an event takes if it starts at 5:15 pm and ends at 7:49 pm.

Children read and plot coordinates in the first quadrant. They explain why the point (4, 1) is not the same as (1, 4). Given some of the vertices of squares or rectangles, they plot the missing points, recognising that there may be more than one solution to the problem. For example: if (6, 5) and (8, 5) are two vertices of a square, they find all three possibilities for the pair of missing vertices.

Assessment focus: Ma1, Reasoning

Look for evidence of children using pattern to formulate rules or generalisations. When they solve calendar problems, look for children recognising sequences of numbers that increase in steps of 7, as they determine the dates of consecutive Wednesdays in a month, for example. When they work with coordinates in the first quadrant, look for children who recognise that, for all the points in a vertical line, the first number in the coordinate pair is the same. Look for evidence of children reasoning about coordinates and the properties of shapes as they solve problems involving the coordinates of missing vertices.


Objectives

Children's learning outcomes are emphasised
Assessment for learning
  • Solve one-step and two-step problems involving whole numbers and decimals and all four operations, choosing and using appropriate calculation strategies, including calculator use

    I can identify the steps I need to take to solve problems
    I can decide whether to do a calculation using mental methods, written methods or a calculator

What information did you use to solve the problem?
How did you decide what calculations to do?
Solve a problem such as:

Three prize pigs weigh 850kg altogether. The heaviest pig is 378kg. The lightest pig is half the mass of the heaviest pig. How heavy is the middle-sized pig?

How did you work out your answer?

  • Use understanding of place value to multiply and divide whole numbers and decimals by 10, 100 or 1000

    I can multiply and divide whole numbers by 10, 100 and 1000

Tell me a quick way of multiplying a number by 10. By 100.
Tell me a quick way of dividing a number by 10. By 100.
Explain what happens to the digits when you multiply or divide a whole number by 1000. What do you notice about the digits in your answer?
How many times larger than 60 is 600?

  • Use a calculator to solve problems, including those involving decimals or fractions (e.g. to find 3/4 of 150g); interpret the display correctly in the context of measurement

    I can use a calculator to solve problems that involve decimal measurements

The perimeter of a regular pentagon is 285cm. What is the length of each side? Explain your method.
The perimeter of a square field is 1300m. It has a hedge along one side. How much fencing does the farmer have to buy to fence the other three sides?
A relay team has 5 members. They run a race that is 28km long. Each member of the team runs the same distance. How far does each team member run?

  • Read, choose, use and record standard metric units to estimate and measure length, weight and capacity to a suitable degree of accuracy (e.g. the nearest centimetre); convert larger to smaller units using decimals to one place (e.g. change 2.6kg to 2600g)

    I can choose appropriate units to measure length and distance
    I can read metre sticks, tape measures and rulers marked in cm and mm accurately
    I can make sensible estimates of length in everyday contexts
    I know how many millimetres there are in a centimetre or metre, and how many metres there are in a kilometre

How tall is the tree at the top of the playground?
How do I write 6 metres 4 centimetres as a decimal?
Tell me an example of something you would measure in kilometres. What about metres? Centimetres? Millimetres? What unit of measurement would you use for:

the length of fencing to go around the playground?
the distance around your head? a 'fun run' to raise money for charity?
the width of a pin head?

Is the height of the classroom about 3m, 6m or 12m?
Is the length of this crayon about 5mm, 55mm or 555mm?

  • Interpret a reading that lies between two unnumbered divisions on a scale

    I can interpret a reading between two unnumbered divisions on a ruler, tape measure or metre stick

What is the distance between the two arrows?

20cm to 100cm in increments of 5 marked in 10s with arrows at 35 and 85

How many of these cherries weigh between 85g and 90g?

  • Read timetables and time using 24-hour clock notation; use a calendar to calculate time intervals

    I can use a calendar to work out how many days and weeks it is to my birthday
    I can change am or pm times to 24-hour clock times, and vice versa

Here is the calendar for August 1998.

A calendar for August 1998

Simon's birthday is on August 20th. In 1998 he had a party on the Sunday after his birthday. What was the date of his party?
Tina's birthday is on September 9th. On what day of the week was her birthday in 1998?
What time will this clock show in 20 minutes?

A digital clock showing 14:53

How would quarter past four in the afternoon be shown on a 24-hour digital clock?
A plane takes off on Tuesday at 22:47. It lands on Wednesday at 07:05. How long in hours and minutes is the flight?
Here is part of a train timetable.

A train timetable

Which is the fastest train from Birmingham New Street to Reading?
You have to arrive at Oxford at 2:00pm. Which train would you catch from Coventry?

  • Draw and measure lines to the nearest millimetre; measure and calculate the perimeter of regular and irregular polygons; use the formula for the area of a rectangle to calculate the rectangle's area

    I can draw and measure lines to the nearest millimetre
    I can measure the sides of polygons and add them to find the perimeter

Draw these lines accurately using a 300mm ruler marked in cm:
5.2cm 0.7cm 83mm 7mm
Measure the sides of these polygons in centimetres and millimetres. What is the perimeter of each shape in centimetres? In millimetres?
Solve these problems:

What is the perimeter of: a regular octagon with sides of 25mm? An equilateral triangle with sides of 8.7cm?
A square has a perimeter of 64cm. How long is each side?
A rectangle has a perimeter of 72m. The shortest side is 9m long. What is the length of the longest side?

Explain how you worked them out.

  • Read and plot coordinates in the first quadrant; recognise parallel and perpendicular lines in grids and shapes; use a set-square and ruler to draw shapes with perpendicular or parallel sides

    I can read and plot coordinates to make shapes

Heres a shaded square.

A square with 2 diagonal co-ordinates given

Write the coordinates for point A and point C.
Three of the four corners of a square are (3, 10), (5, 12) and (7, 10). Work out the coordinates of the fourth corner.
(8, 10) and (10, 8) are two vertices of a right-angled triangle. What are the coordinates of the third vertex? Are there any other possibilities?

  • Plan and manage a group task over time by using different levels of planning

    I can plan and manage my time to work on an extended group task
    I can make an overall plan of the tasks to be done and a detailed plan for each task with their tasks when I have finished mine
I want you to measure the perimeter of the playground as accurately as you can. Work in a group. Draw a plan of the playground and write the measurements on it. Then work out the area of the playground. Plan your work carefully. You will have 2 hours during the week to do it.

Resource links to existing published material

Mathematical challenges for able Key Stages 1 and 2
Activities PDF 1MB
Activity 67 - Franco's fast food
Activity 77 - All square
Intervention programmes

Objectives for Springboard intervention unit

Springboard unit

Multiply and divide whole numbers by 10 and 100 and understand the effect

Springboard 5 Unit 6 (PDF 305KB)
Springboard 5 Unit 6 supplementary (PDF 57KB)
Supporting children with gaps in their mathematical understanding (Wave 3)
Diagnostic focus Resource
Describes the operation of multiplying by ten as adding a nought 3 Y4 ×/÷
DfES 1152-2005 (PDF 68KB)

Click here for information on different file formats and their usage.

Year 5 Calculating, measuring and understanding shape - Unit 1

PDF 62KB RTF 520KB Word 82KB

Wave 3 addition and subtraction tracking children's learning charts

PDF 161KB RTF 930KB Word 315KB

Wave 3 multiplication and division tracking children's learning charts

PDF 195KB RTF 1.3MB Word 430KB

Wave 3 Resource sheets and index of games booklet

PDF 500KB
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