New
New
Year 1

# Explain that items can be compared using length and height

I can compare items according to their length and height.

New
New
Year 1

# Explain that items can be compared using length and height

I can compare items according to their length and height.

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## Lesson details

### Key learning points

1. When comparing different heights and lengths, know the language used varies depending on what we are describing.
2. The ___ is taller / shorter than the ___.
3. The ___ is longer / shorter than the ___.
4. When travelling, some objects travel further, and some objects travel less far.

### Common misconception

Inaccurate use of language e.g. 'Alex is longer than Sam' instead of 'Alex is taller than Sam'.

Encourage children to verbalise the comparisons they make eg. provide sentence scaffolds and ask them to repeat key sentences as a class.

### Keywords

• Taller than - an object has more height than another.

• Longer than - an object has more length than another.

• Shorter than - an object has less height or length than another.

• Further - an object has travelled further than another or a distance has more length than another.

• Less far - an object has not travelled as far as another or a distance has less length than another.

There is no need to assign a numerical value to attributes being compared at this stage e.g. Alex is taller than Sam, based on visual comparison rather than on quantified heights. There is a strong emphasis on using correct language in this unit.
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).

## Starter quiz

### 6 Questions

Q1.
How many counters are there altogether?
6
7
Q2.
What is the next number in the count? 5, 6, 7, 8, 9...
8
9
Q3.
What is one more than 8?
7
8
Q4.
What is one less than 8?
8
9
Q5.
Which set has more counters?
Set B
They have the same amount of counters.
Q6.
Which set has fewer counters?
Set A
They have the same amount of counters.

## Exit quiz

### 6 Questions

Q1.
Which animal is taller - a giraffe or a snail?
a snail
They are the same height.
Q2.
Which animal is shorter - a mouse or an elephant?
an elephant
They are the same height.
Q3.
Who is shorter, Jun or Andeep?
Andeep
They are the same height.
Q4.
Which is longer, the pencil or the pen?