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Shape Names

- Triangle

- Equilateral triangle

- Isosceles triangle

- Square

- Pentagon

- Hexagon

- Octagon

- Regular polygon

Measurement Words

- Length

- Side

- Perimeter

- Distance

- Total

- Around

- Outside

- Measure

Math Operations

- Add

- Multiply

- Divide

- Calculate

- Equal

- Total

- Greater than

- Less than

Units of Measurement

- Centimeters (cm)

- Meters (m)

- Units

- Length

- Width

Properties of Shapes

- Regular (all sides equal)

- Irregular (sides different)

- Equal sides

- Different sides

- Combined shapes

- Two-dimensional

Position Words

- Around

- Outside

- Inside

- Along

- Edge

- Side

- Through

Question Words

- What

- How many

- Which

- Why

- Calculate

- Find

- Work out

- Explain

Comparison Words

- Same

- Different

- Greater

- Less

- Equal

- Longer

- Shorter

Numbers and Operations Language

- Times (×)

- Divided by (÷)

- Plus (+)

- Equals (=)

- Total

- Answer

- Solution

Problem-Solving Language

- Have a think

- Work out

- Calculate

- Find

- Show your working

- Explain why

- Prove

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Post a photo of an object and write: "The perimeter is the distance around this _____"

Record yourself saying: "We measure perimeter when we need to _____"

Write a sentence using these words: around, measure, distance, outside

Student Tasks:

Take photos measuring perimeter

Record explanations

Write sentences using key vocabulary

Comment on other students' posts

# data[].attributes.wish_content.attachment_props.question
What do we measure when finding perimeter?

# data[].attributes.wish_content.attachment_props.question
What do we know about an equilateral triangle?

# data[].attributes.wish_content.attachment_props.question
 If each side is 5m, what's the perimeter?

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Draw Jack's triangle and label: "Two sides are _____, one side is _____"

Record yourself explaining: "The perimeter could be 14cm because _____"

Write why 16cm is also possible using: first, then, finally

Student Tasks:

Show possible triangle arrangements

Explain why both answers work

Share your working out

Use mathematical language to explain

# data[].attributes.wish_content.attachment_props.question
What makes an isosceles triangle special?

# data[].attributes.wish_content.attachment_props.question
Looking at Jack's triangle, which perimeters are possible?

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Write: "The square has a perimeter of _____ because _____"

Record yourself saying: "The triangle has _____ perimeter than the square"

Use these words: greater, less than, larger, smaller

Student Tasks:

Calculate both perimeters

Show all working out

Make clear comparisons

Explain your reasoning

# data[].attributes.wish_content.attachment_props.question
A shape has perimeter 24cm. It could be:

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Write: "First I measured _____, then I _____, finally I _____"

Record yourself explaining: "Tiny made a mistake because _____"

Use these mathematical words: calculate, total, add, measure

Student Tasks:

Show stage problem solution

Explain Tiny's mistake

Share correct calculation method

Use problem-solving vocabulary

# data[].attributes.wish_content.attachment_props.question
When finding perimeter of the school stage, we:

# data[].attributes.wish_content.attachment_props.poll_choices[].choice_text
Tiny added 24m + 16m when some edges were counted twice

# data[].attributes.wish_content.attachment_props.poll_choices[].choice_text
Tiny forgot to add the measurements together