Year 3 Measures: mass and capacity worksheet

“Scales with different marks” is free to print, with no account. It is the first sheet in the Year 3 maths unit “Measures: mass and capacity”, for children aged 7 to 8, and takes about 20 minutes.

Print it on A4. The child's pages come first; the answers, and what each wrong answer tells you, are on the grown-up page that follows. Weeks 10 to 12 of the year, 10 sheets in the unit.

Free sample · answers on the last page

Scales with different marks

Name: ____________ · Date: ____________
Year 3 · Maths · about 20 minutes
Answers are on the grown-up page

Today I can read scales that go up in different intervals and compare masses in grams.

A Look back3 min

1.
= 300 + 40 + 6
2.
412 421
3.
Put these in order, smallest first: 508, 85, 580.

B Watch me, then you4 min

Ola's kitchen scale has marks that go up in 50s. Which mark comes after 100 g?

Watch me

Find zero first, then count the marks.

Each mark goes up by 50 g: 0, 50, 100, 150, 200.

The mark after 100 is 150 g.

Now you

1.
This scale goes up in 20s. The mark after 60 g is g.

C Your turn6 min

Find the zero first, count the gaps, then read the mark.

1.
Count the gaps between the numbers. What mass does the empty box show? g
2.
Count the gaps between the numbers. What mass does the empty box show? g
3.
Count the gaps between the numbers. What mass does the empty box show? g
4.
Count the gaps between the numbers. What mass does the empty box show? g

Say it out loud: What did you count first on each scale, and why did the answer change?

D Spot the mistake3 min

Jay says: “On this scale the marks go up in 10s, so the mark after 20 g is 30 g.”

1.
What is the mark after 20 g on this scale? g

E Think deeper4 min

1.
A bag sits on each scale. Scale A goes up in 50s. Its arrow is 3 marks after zero. Scale B goes up in 20s. Its arrow is 6 marks after zero. Which bag is heavier, and how do you know?

How did it feel?

I can do it Nearly Not yet

For the grown-up

Scales with different marks · 2 minutes to read

Answers, and what a wrong one tells you

A

1. 346

2. <

3. 85, 508, 580

B

1. 80 If your child writes 70, they added 10. Count the gaps between the marks. Each gap is 20 g, so the mark after 60 is 80.

C

1. 40

2. 60

3. 250

4. 300

D

1. 40 If your child writes 30, they counted in 10s. The gap from 0 to 20 is 20 g, so the next mark is 20 more.

E

1. Look for: Scale A’s bag is heavier because it shows 150 g and Scale B shows 120 g. If your child says Scale B because its arrow is past more marks, ask what each scale reads in grams. 150 g is more than 120 g.

Words to use

Say“Find the zero first, then count the gaps between the marks before you read the arrow.”

Instead of“It says 300 on the dial, so that is the answer.”

After the sheet

Weigh a book or a bag of pasta on kitchen scales. Read the marks, check the gap between them, then write the mass in grams.

Tick what your child got right in StudyDen. Anything missed comes back in a later Look back box, so there's no need to redo the sheet.

The rest of this unit

9 more sheets come with a StudyDen plan, in teaching order:

Reading scales in grams(with a plan)
Kilograms and grams(with a plan)
Capacity or volume?(with a plan)
Reading a jug in millilitres(with a plan)
Reading jugs in ml(with a plan)
Estimate with things I know(with a plan)
Estimate, then measure(with a plan)
Mass problems with bar models(with a plan)
Volume problems with bars(with a plan)

Every Year 3 maths worksheet

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