Objectives Day 1 Measure compare add and subtract lengths Know that there are 100cm in a metre Use a ruler to measure lines Day 2 Measure compare add and subtract lengths Know that there are 10mm in a centimetre Use a ruler to measure lines ID: 1042440
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1. Measures and DataMeasure length (m/cm) and convert unitsObjectivesDay 1Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines. Day 2Measure, compare, add and subtract lengths; Know that there are 10mm in a centimetre; Use a ruler to measure lines.1Year 3
2. Year 32StartersSuggested for Day 1Know 3x table (simmering skills) Suggested for Day 2Know facts for 4x table (simmering skills) Measures and DataMeasure length (m/cm) and convert units
3. Year 33StarterKnow 3x tableMeasures and DataMeasure length (m/cm) and convert units
4. Year 34StarterKnow facts for 4x tableMeasures and DataMeasure length (m/cm) and convert units
5. 5Year 3Measures and DataMeasure length (m/cm) and convert unitsObjectivesDay 1Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines.
6. 6Day 1: Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines. It is divided into centimetres (cm).How many cm are in a metre?In 2 metres?Let’s look at this metre stick.Year 3Where would 50cm be on the metre stick?
7. 7Day 1: Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines. Year 3In pairs, look around the room and think of objects that you could measure.Which would be more than 1m? Which would be less than 1m?Let’s make a list on the flipchart…
8. 8Day 1: Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines. How many cm in 2m?Year 3How many cm in 1m 34cm? How many cm in 1m 67cm? How many cm in 1m 70cm? How many cm in 2m 25cm? How many cm in 1m 3cm?
9. 9Day 1: Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines. Year 3Now let’s measure the objects we listed on the flipchart...We can record their lengths inmetres and centimetresor incentimetres.
10. 10Day 1: Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines. Year 3Challenge
11. 11Year 3ObjectivesDay 2Measure, compare, add and subtract lengths; Know that there are 10mm in a centimetre; Use a ruler to measure lines.Measures and DataMeasure length (m/cm) and convert units
12. 12Day 2: Measure, compare, add and subtract lengths; Know that there are 10mm in a centimetre; Use a ruler to measure lines.Year 3What things did we measure yesterday?What units of measurement did we use?Today we are going to measure our feet!What units will be best to measure this length?Why not metres?
13. 13Day 2: Measure, compare, add and subtract lengths; Know that there are 10mm in a centimetre; Use a ruler to measure lines.We can also use millimetres to be more accurate.Year 3There are 10mm in 1cm.This ruler is 5cm long. How many mm is that?What if it was 10cm long?
14. 14Day 2: Measure, compare, add and subtract lengths; Know that there are 10mm in a centimetre; Use a ruler to measure lines.If a rubber was 2cm 3mm long what would that be in mm?Year 3If someone’s foot was 16cm 3mm what would that be in mm?If a pencil was 4cm 8mm long what would that be in mm?That’s more accurate than 16 or 17cm!
15. 15Day 2: Measure, compare, add and subtract lengths; Know that there are 10mm in a centimetre; Use a ruler to measure lines.Year 3Challenge
16. 16Year 3Measures and DataMeasure length (m/cm) and convert unitsWell Done! You’ve completed this unit.ObjectivesDay 1Measure, compare, add and subtract lengths; Know that there are 100cm in a metre; Use a ruler to measure lines. Day 2Measure, compare, add and subtract lengths; Know that there are 10mm in a centimetre; Use a ruler to measure lines.
17. 17Year 3Measures and Data Unit 1 Problem solving and reasoning questionsDraw a wiggly line of about 10cm in length. Use a piece of damp string to help you measure it accurately. Write its length in cm and mm. Repeat this trying to draw a wiggly line of exactly 10cm. True or false• Ten lots of 100mm is the same as 1 metre. • Half a centimetre is 50mm.• There are 200mm in 20cm.• 5 metres is longer than 5000mm• The average domestic cat is about 40cm, tip of nose to end of tail.
18. 18Year 3Problem solving and reasoning AnswersDraw a wiggly line of about 10cm in length. Use a piece of damp string to help you measure it accurately. Write its length in cm and mm. Repeat this trying to draw a wiggly line of exactly 10cm.Observe how children set about the task – do they accurately align the damp string along their wiggly line? Mark the end of the line before they straighten the string to measure? When straightened, do they accurately position it alongside a ruler? Can they use mm as well as cm to get an accurate length?True or false• Ten lots of 100mm is the same as 1 metre. True: 10 lots of 100mm is 1000mm (or 100cm) which is the same as 1 metre• Half a centimetre is 50mm. False it is 5mm• There are 200mm in 20cm. True, since 1cm = 10mm• 5 metres is longer than 5000mm. False, they are the same since 1m = 1000mm• The average domestic cat is about 40cm, tip of nose to end of tail. False – around 40-50cm but without the tail.