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GM2-2: Partition and/or combine like measures and communicate them, using numbers and units.

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Elaboration on this Achievement Objective

This means students will perform and communicate calculations involving like measures. Like measures involve the same units for the same attribute. This allows the result of joining or separating units to be anticipated using additive number strategies. For example, a box has a volume of 36 cubes. If a 3 by 4 cube layer is put in the empty box then there will be space for 36 – 12 = 24 more cubes. At Level Two students should be able to use numbers and common symbols to communicate measurement results, for example my lunchbox holds 60 cubes. I took 13 minutes to walk home. My pencil is 14 cm long. I weigh 26 kg.

 

Teaching resources for this Achievement Objective
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Big Teeth

Level Two
Integrated
Rich learning activities
The purpose of this activity is to engage students in using a non-standard unit to give a measurement involving fractions.
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Dealing with Dominoes

Level Two
Geometry and Measurement
Figure It Out activities
This is a level 2 measurement strand activity from the Figure It Out series. A PDF of the student activity is included.

match equivalent measurement units

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Diary of a Worm

Level Two
Geometry and Measurement
Picture book activities
This is an activity based on the picture book Diary of a Worm
  • Students will be able to use the vocabulary associated with calendars to accurately talk about the duration and time between events.
  • Students will be able to read a calendar and express the time in standard units (day, week, month, year).
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How Full is the Jar?

Level Two
Integrated
Rich learning activities
The purpose of this activity is to engage the students to use proportional reasoning and their knowledge of volume to solve a problem involving fractions.
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In a Minute

Level Two
Geometry and Measurement
Picture book activities
This is an activity based on the picture book In a Minute. This book may no longer be available for purchase.
  • Students will be able to accurately estimate the duration of time using the units of minute and second.
  • Students will be able to measure the duration of events using stopwatches and other timers.
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Making benchmarks: Mass

Level Two
Geometry and Measurement
Units of Work
In this unit we will explore the idea of having benchmarks of 1 kilogram and 1/2 kilogram, or 500 grams, to aid in estimating the mass of given objects.
  • Use objects of 1kg mass to estimate the mass of other objects.
  • Discuss the need for having and using standard measures of mass.
  • Make sensible estimates about the mass of given objects.
  • Explain the meaning of metric prefix terminology (e.g kilo).
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Mighty Metres

Level Two
Geometry and Measurement
Figure It Out activities
This is a level 2 measurement strand activity from the Figure It Out series. A PDF of the student activity is included.

estimate and measure lengths in metres

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Paper planes: Level 2

Level Two
Geometry and Measurement
Units of Work
This unit uses the context of making paper planes to develop understanding of metre and centimetre measures. Students investigate a variety of paper airplane designs, experiment to see which planes fly the furthest, and decide winners by measuring and comparing results.
  • Estimate using metres and centimetres.
  • Measure to the nearest metre and centimetre.
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Pepetuna

Level Two
Geometry and Measurement
Picture book activities
This is an activity based on the picture book Pepetuna. This book may no longer be available for purchase.

Students will be able to track and record the time involved in different two side-by-side narratives using the units of year and season.

Students will be able to represent time on a linear scale.

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Scavenger hunt

Level Two
Geometry and Measurement
Units of Work
In this unit students participate in a series of scavenger hunts to develop their own personal benchmarks for measures of 1cm, 10cm, 50cm and one metre. An understanding of the relationship between centimetres and metres is also developed.
  • Find objects that they estimate to be 1cm, 10cm, 50cm and one metre long.
  • Measure lengths of approximately one metre to the nearest cm.
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Squash

Level Two
Geometry and Measurement
Figure It Out activities
This is a level 2 measurement strand activity from the Figure It Out series. A PDF of the student activity is included.

measure an area in square metres

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Stretching it Out

Level Two
Geometry and Measurement
Figure It Out activities
This is a level 2 measurement strand activity from the Figure It Out series. A PDF of the student activity is included.

measure lengths in centimetres

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Weigh Out

Level Two
Geometry and Measurement
Figure It Out activities
This is a level 2 measurement strand activity from the Figure It Out series. A PDF of the student activity is included.

use scales to measure weight