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Metric Measurement Mastery

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Metric Measurement Mastery

Roa · Taumaha · Rita — Length · Mass · Volume

Measuring tools including ruler, scales and measuring jug

📏 Part 1: Length — Roa (Long) and Poto (Short)

Instructions: Answer each question about measuring length. Use the correct units: centimetres (cm) or metres (m).

1. Circle the best unit to measure each object.

a) The length of your pencil:

centimetres (cm)

metres (m)

b) The length of the school hall:

centimetres (cm)

metres (m)

2. Estimate, then measure! Write your answers below.

Find two objects in the classroom. First estimate (tata ki = about), then measure with a ruler.

Object 1: _______________________

My estimate: _______ cm     Actual measurement: _______ cm

Object 2: _______________________

My estimate: _______ cm     Actual measurement: _______ cm

3. Look at the ruler below. What length is the arrow pointing to?

[ ——0——1——2——3——4——5——6——7——8——9——10 cm ]

                                                       ↑

The arrow is pointing to _______ cm.

4. Order these lengths from shortest to longest (poto → roa). Write 1 (shortest) to 4 (longest).

___   85 cm     ___   1 m     ___   30 cm     ___   2 m

⚖️ Part 2: Mass — Taumaha (Heavy) and Māmā (Light)

Instructions: Answer each question about measuring mass. Use grams (g) or kilograms (kg).

5. Circle the best unit to measure the mass of each item.

a) A bag of potatoes:

grams (g)

kilograms (kg)

b) A strawberry:

grams (g)

kilograms (kg)

6. A kitchen scale shows these readings. Write the mass shown.

a) The needle points halfway between 0 kg and 1 kg. Mass = _______ kg

b) The needle points to 350 on a scale marked in grams. Mass = _______ g

7. Use the words heavier than or lighter than to complete each sentence.

a) A book (400 g) is _________________ a pencil (10 g).

b) An apple (150 g) is _________________ a watermelon (3 kg).

8. Tick ALL the items that would be measured in kilograms (kg).

A school bag

A grain of rice

A dog

A paper clip

A bag of flour

💧 Part 3: Volume and Reading Scales — Rita (Litre) and Mirimita (Millilitre)

Instructions: Answer questions about volume (capacity) and reading measurement scales.

9. Circle the best unit to measure the volume of each container.

a) A teaspoon of medicine:

millilitres (mL)

litres (L)

b) A large water bottle:

millilitres (mL)

litres (L)

10. Read the measuring jug scale below and answer the questions.

A measuring jug is marked: 0 mL — 250 mL — 500 mL — 750 mL — 1000 mL (1 L)

The water level is halfway between 500 mL and 750 mL.

a) How much water is in the jug? _______ mL

b) How much more water is needed to reach 1 litre? _______ mL

11. Mia is making a smoothie. She needs 1.5 litres of water. She has already poured in 750 mL. How many more millilitres does she need to add?

Answer: _______ mL

12. Reflection: Choose ONE measurement skill from this worksheet (length, mass, or volume). Explain when you might use it in real life in New Zealand.

Hint: Think about cooking, sport, building, or the environment!

🌟 Te Reo Māori Measurement Words — Kuputaka

roa
poto
taumaha
māmā
rita
mirimita
mita
tata ki
about / approximately
millilitre
short
metre
litre
heavy / weight
long
light

Draw a line to match each Māori word to its English meaning.

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