New
New
Year 6

Explain how a combination of different parts can be equivalent to the same whole

I can explain how a combination of different parts can be equivalent to the same whole.

New
New
Year 6

Explain how a combination of different parts can be equivalent to the same whole

I can explain how a combination of different parts can be equivalent to the same whole.

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Lesson details

Key learning points

  1. The same whole can be composed in different ways.
  2. Different ways of composing the whole are equivalent.
  3. Expressions can be used to express the combinations of different parts of the whole.

Keywords

  • Equivalent - Two expressions are equivalent if they have the same value.

Common misconception

Pupils may look at each rod as representing a number rather than focusing on the colour.

Remind pupils that the rods have no numerical value and encourage pupils discuss the rods by their colour name. They may notice proportional relationships but these should not be labelled numerically.

If pupils are unfamiliar with number rods, ensure pupils take time to play with the rods and explore them for themselves, becoming familiar with how they can represent equivalence. Online tools could be used to allow pupils to manipulate number rods.
Teacher tip

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
Select the values that could be labelled as parts in this equation: 500 = 150 + 350
500
Correct answer: 150
Correct answer: 350
Q2.
Which of the following expressions are equivalent to 5 + 5 + 5?
1 × 5
Correct answer: 5 × 3
Correct answer: 3 × 5
5 × 5
Q3.
0.3 + 0.1 + 0.6 = 1 Which other combination of three parts has the same whole?
Correct answer: 0.2 + 0.2 + 0.6
0.4 + 0.2 + 0.7
Correct answer: 0.1 + 0.5 + 0.4
0.3 + 0.2 + 0.6
Q4.
Complete the statement: If I know 1.7 + 8.3 = 10 then I know + 7.3 = 10
Correct Answer: 2.7
Q5.
Select two addends which sum to make 1,000
175
Correct answer: 275
300
675
Correct answer: 725
Q6.
Lucas and some of his friends drank some water. Lucas drank 0.25 l of water, Sofia drank 130 ml, and Andeep drank 0.3 l. How much water did they drink in total? Give your answer in ml. ml
Correct Answer: 680, 680 ml

6 Questions

Q1.
Two expressions are _________ if they have the same value.
Correct answer: equivalent
different
adjacent
Q2.
Which equations match this image?
An image in a quiz
Correct answer: blk = y + r
Correct answer: r + y = blk
y = r + blk
r = y + blk
Q3.
Which equations match this image?
An image in a quiz
Correct answer: y + r + w = br
y = br + r + w
r + w = br + y
Correct answer: br = r + y + w
Q4.
Which equation matches this image?
An image in a quiz
o × 5 = r
Correct answer: 5 × r = o
Correct answer: r + r + r + r + r = o
r × o = 5
Q5.
Which bar model represents this equation? o = 2 × p + r
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q6.
Complete this equation. bl = lg + × r
An image in a quiz
Correct Answer: 3

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