Mathematics / Year 4 / Measurement

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Curriculum content descriptions

estimate and compare angles using angle names including acute, obtuse, straight angle, reflex and revolution, and recognise their relationship to a right angle (AC9M4M04)

Elaborations
  • classifying the interior angles of a range of shapes, using examples of angles to identify acute, obtuse, right and reflex angles
  • identifying angles within the environment and estimating whether they are acute, obtuse right or reflex
  • creating a right-angle template using cardboard or a double-folded piece of paper and using it to compare angles in the environment, commenting on whether they are smaller than or greater than a right angle
  • using different measuring tools such as a spirit level or set squares to determine whether lines or objects are straight, square or perpendicular (at right angles)
General capabilities
  • Critical and creative thinking Critical and Creative Thinking
  • Numeracy Numeracy
ScOT terms

Degrees (Angles),  Angles,  Estimation (Measurement)

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3 direct matches to AC9M4M04 | 13 other related resources

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Angles: types of angles: Part 1

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In this lesson, students explore ways to compare angles and recognise the names of different types of angles, including right, acute, obtuse, straight, reflex and revolution. This is the first in a series of two lessons.

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Angles: chalk designs: Part 2

  • TLF-IDA004921

In this lesson, students create their own chalk designs in the style of a stained-glass window that includes different types of angles. This is the second lesson in a series of two lessons.

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Video

Right angle or acute angle?

  • TLF-IDM020110

What's the difference between a right angle and an acute angle? Find out!

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reSolve: Authentic Problems: 10000 Centicubes

  • TLF-IDM024883

This sequence of four lessons integrates content in number and measurement to deepen students' understanding and confidence working with larger numbers. Students work flexibly with numbers up to 10 000 as they determine suitable dimensions for a container that can hold 10 000 centicubes. They are challenged to plan, construct ...

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reSolve: Measurement - Parcel in the Post

  • TLF-IDM025310

This lesson challenges students to find the most cost-efficient way to package a variety of items to send in the post. Students are provided with a matrix of parcel postage charges and a variety of different possible parcels. They categorise the parcels, measure their dimensions and weights and then calculate the postage ...

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reSolve: Authentic Problems: Expanded Square

  • TLF-IDM024876

This sequence of four lessons explores concepts around informal area and symmetry. Students design an 'expanded square' where approximately half the area of the original square is flipped to the outside. The lessons provide opportunities for students to devise and use methods to informally measure area, record their mathematical ...

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Video

For the Juniors: Drawing a floor plan

  • TLF-IDM015824

How do we know what a house will look like before it is built? Discover how house plans work by looking at the design of a house that Hugo's family is going to build. See how a floor plan shows the room layout. See drawings of what the house will look like from different views.

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Video

Mixed Up Maths, Ep 2: High rise living

  • TLF-IDM018750

Who is tall that you know? For a person, what height would you say is tall? In this clip we see what it means to measure the length of something compared to measuring the height of something. Find out the height of the tallest person in the world, measured in centimetres. Compare that to your own height. You'll be amazed ...

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Kitchen gardens – sustainability action process (Years 3–6)

  • TLF-IDM020972

This resource guides students through an extended school-based or local investigation focussed on kitchen gardens using the five-step sustainability action process. The resource supports the investigation of a real-world issue or problem. Students develop and implement a chosen sustainability action and then evaluate and ...

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Waste and materials – sustainability action process (Years 3–6)

  • TLF-IDM020974

This resource guides students through an extended school-based or local investigation focussed on waste and materials using the five-step sustainability action process. The resource supports the investigation of a real-world issue or problem. Students develop and implement a chosen sustainability action and then evaluate ...

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Sustainable transport – sustainability action process (Years 3–6)

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This sustainable transport learning resource will guide students through an extended school based investigation. Students will develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.

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MathXplosion, Ep 31: Heavy vs big

  • TLF-IDM024976

How would you measure and compare the weight of something? Learn why big things aren't necessarily heavy. All you need is something heavy and a lot of something light and you’ll be able to prove that weight is not the same as size.

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TIMES Module 3: Measurement and Geometry: time - teacher guide

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This is a 20-page guide for teachers containing an introduction to the units of time and how to measure time. Time between events, time lines and timetables are considered. A brief history of the development of these concepts concludes the module.

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Time Year 3 & 4 - Calculate

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This lesson focuses on different ways to tell time.

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Our new playground

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This set of learning activities encourages students to consider the function of their existing school playground, how movements like sliding, swinging and spinning feature in playground equipment, and design a new piece of equipment to add to the excitement of their playground. The module includes a comprehensive teacher ...

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For the Juniors: Measure ingredients to make a cake

  • TLF-IDM015697

Sarah is following a recipe. There are some different units of measure used in the recipe. Watch the video to see what these measurement words are. How much of each ingredient is needed? How are the ingredients combined to make the cake?

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