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Maths Unit 6 In this unit we will learn about Using units of measurement - measure using metres, compare, order and measure the mass of objects, measure.

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Presentation on theme: "Maths Unit 6 In this unit we will learn about Using units of measurement - measure using metres, compare, order and measure the mass of objects, measure."— Presentation transcript:

1 Maths Unit 6 In this unit we will learn about Using units of measurement - measure using metres, compare, order and measure the mass of objects, measure the mass of familiar objects using kilograms, say, read, write and show times (to 5 minute intervals), tell time to the minute Patterns and algebra - identify and describe number patterns involving 3-digit numbers, identify and continue patterns resulting from addition and subtraction Number and place value - recall addition and subtraction number facts, add and subtract with multiples of 10 and 100, add and subtract two-digit and three-digit numbers,add two-digit numbers using a written strategy.

2 Lesson 1  Develop a picture in their minds of what a metre looks like  Measure using metres

3 Vocabulary  Length, height, width, depth, distance, compare, order, measure, direct comparison, indirect comparison, informal units, standard unit, gaps, overlaps, metre, estimate, more than, less than, longer, shorter  Measure — find out the size of an object (including length, area, mass, capacity, time)  Length — a property that can be measured (including height, width, distance around, distance from one location to another

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5  What have you measured using metres?  Why is it important to have standard units of measure like metres?  What important things do you need to remember when measuring accurately with standard units?

6 Comparing objects with standard units (metre)

7  Metre strip Metre strip  Check each of your estimates with the metre strip. Make sure to line up the end of the metre strip carefully to measure your estimates accurately.  Which of your 3 estimates was closest?  What method did you use to estimate one metre?

8  Please write the following table into your maths grid pad.

9 Using your measuring tool  find and record objects that are less than one metre, about one metre and more than one metre in length (include heights)  identify and record distances between/around objects that are less than one metre, about one metre and more than one metre.

10 Example

11 Writing metres  1m  2m  3m  4m  5m  6m

12 Measuring length using metres  What objects and distances outside could be measured in metres?  How could you measure this (length, height and distance) ?  How could you measure this (length) using your metre measuring tool?

13 Measuring in metres 1. Estimate the length and record it in your maths grid pad? 2. Use your metre measuring tool to measure the length or distance? 3. Describe your measurement results in your maths grid pad. (eg between 6 and 7 metres, 6 metres and a bit, 7 metres to the nearest metre)  Measure another item

14  How you know if your measurement results are accurate?  Can you explain why someone else’s measuring results may be different?  Compare your measurements (e.g. the length of the cricket pitch is longer than the length of the car).

15 Establish the need for part units  Measure the object or distance  Describe the measurement result.  Is the length closer to 1 or 2m?  How can we more accurately measure and describe the length of this object?

16  use the metre strip (from the Maths Pack ) to cut a length of material (e.g. ribbon) exactly one metre in length  fold the one metre length of ribbon in half, making sure the ends match perfectly  cut the one metre length of ribbon in half along the fold line  use your ‘metre and half a metre measuring tools’ to re-measure the object or distance.

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18 Measuring length using part units  Draw the following table into your maths grid pad

19  Which objects did you find that was half a metre in length?  Was it easy to find objects that are half a metre? Why/why not? Example


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