All concepts combined
Primary 3 Length, Mass and Volume study guide: the whole chapter, step by step
About this subtopic
This mixed practice stop brings together 4 topics from Primary 3 Length, Mass and Volume: Choose and measure units, Read scales and levels, Convert measurements, Convert and calculate. Nothing on the question says which topic it comes from, so choosing the method is part of the skill.
Practice questions with worked solutions
Question 1 is free to try. The other 11 open in the free trial, each with its solution film.
Question 1 of 12 · Basic · free to tryA small carton contains 180 ___ of coconut water. Choose ml or l.A small carton contains 180 ___…
A small carton contains 180 ___ of coconut water. Choose ml or l.
Show the working and the answer
Working
- A small drink carton holds millilitres.
- Ans: ml
Answer: ml
For parents
How should your child approach length, mass and volume mixed practice questions in P3?
This page mixes questions from all of P3 Length, Mass and Volume: choosing units, measuring in two units, reading scales and liquid levels, converting, and word problems that need a change of unit.
What your child learns here
This page mixes questions from all of P3 Length, Mass and Volume: choosing units, measuring in two units, reading scales and liquid levels, converting, and word problems that need a change of unit. The question does not name the skill, so your child must first decide what kind of measuring task it is.
- Choose a suitable unit for length, mass or volume of liquid, including km and ml.
- Read a scale or a measuring jug by working out what each small gap stands for.
- Write and read measurements in compound units, such as 5 km 70 m.
- Convert between km and m, m and cm, kg and g, and litres and ml, in both directions.
- Solve word problems by changing to one unit, calculating, then giving the unit asked for.
Does the answer make sense?
Your child can first check the kind of unit: a mass in g or kg, a liquid in ml or l, a length in cm, m or km. Water still needed to fill a jug must be less than its capacity, and cord or beads left must be less than the starting amount.
How to practise these questions
This set mixes the chapter's question types: choosing units, reading scales, converting and solving measurement stories. The Basic questions keep each skill direct, and the Intermediate questions join a reading or a conversion to a calculation. The Challenge questions require your child to keep units consistent across several steps and give the unit asked for. If a measurement question in this set stalls, watch its solution film and try again later from Revision.
Questions parents ask
What does my child need to know for Primary 3 length, mass and volume? The MOE syllabus for Primary 3 lists measuring length in kilometres and volume of liquid in millilitres, measuring in compound units, and converting between compound units and the smaller unit for four pairs of units. This mixed set draws on all of them.
Should my child finish the subtopic pages before mixed practice? It helps. Each subtopic page has a lesson film and worked examples for one skill, and this page mixes them. If a mixed question shows that one skill is shaky, going back to that subtopic's lesson is a sensible next step.
What everyday items help with measurement practice? A tape measure, a kitchen scale with a dial, a measuring jug and food labels cover nearly everything in this chapter. Asking your child to estimate before measuring adds a useful sense check.