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Out this Sunday, it’s the Ninja Maths December / Week 1 Worksheet, which is all about ESTIMATING.

Example Questions

How heavy is a typical cat? (multiple choice, the answer being 4000g)

How long is a normal pencil? (multiple choice, the answer being 15cm)

Year 4: 99 x 2 (multiple choice, approximating to 200)

Year 4: 11 x 2 x 3 (multiple choice, approximating to 60)

Year 5: 8.9 x 11.1 rounding to 9 x 11, which approximates to 100

Year 6: (29.1 + 9.8) x (9.9 + 0.123): rounding to (30 + 10) x (10) = which approximates to 400

Subscribe for free weekly workpacks

Subscribe here for free, weekly workpacks:

Did you miss the November Workpacks?

You can buy either by school year, or buy all 136 pages at a useful discount:

Click here for the November Workpacks

All of the November workpacks are available in the Ninja Maths shop.

You can buy either by specific school year, or buy all 136 pages at a nice discount:

Click here for the November Workpacks

This weeks free worksheets are for English Years 4, 5, and 6 (see table below for international equivalents).

The focus is on long division, including:

a reminder page on how to work long division

some long division questions

a verbal / decoding question involving part balloons and remainders

a ninja maths balloon maze

answers

a fun quote poster abut fractions

Long division is really useful to learn as it actually involves multiplication, addition, and subtraction as well as division.

If you’re not already receiving the free weekly worksheets, simply subscribe and you’ll start receiving them from the next weekend.

AGES	7-8	8-9	9-10	10-11
England, Wales, and New Zealand	Year 3	Year 4	Year 5	Year 6
Northern Ireland	Year 4	Year 5	Year 6	Year 7
Scotland	P4	P5	P6	P7
USA & South Korea	2nd Grade	3rd Grade	4th Grade	5th Grade
Australia	Year 2	Year 3	Year 4	Year 5
China	Year 2	Year 3	Year 4	Year 5
India	Class 2	Class 3	Class 4	Class 5

This weeks free worksheets are for English Years 4, 5, and 6 (see table below for international equivalents).

The focus is on long multiplication, including a verbal problem requiring two steps to calculate the number of sandwiches needed.

It’s important to learn the columns method of long multiplication, but also to decode from a verbal question what the numbers are which require multiplying.

There’s also a cool maze (a more difficult version for Year 6 than for Years 4 & 5).

If you’re not already receiving the free weekly worksheets, simply subscribe and you’ll start receiving them from the next weekend.

AGES	7-8	8-9	9-10	10-11
England, Wales, and New Zealand	Year 3	Year 4	Year 5	Year 6
Northern Ireland	Year 4	Year 5	Year 6	Year 7
Scotland	P4	P5	P6	P7
USA & South Korea	2nd Grade	3rd Grade	4th Grade	5th Grade
Australia	Year 2	Year 3	Year 4	Year 5
China	Year 2	Year 3	Year 4	Year 5
India	Class 2	Class 3	Class 4	Class 5

Table showing school ages and years around the world including England, Scotland, the USA, Australia, India, and China…

AGES	7-8	8-9	9-10	10-11
England, Wales, and New Zealand	Year 3	Year 4	Year 5	Year 6
Northern Ireland	Year 4	Year 5	Year 6	Year 7
Scotland	P4	P5	P6	P7
USA & South Korea	2nd Grade	3rd Grade	4th Grade	5th Grade
Australia	Year 2	Year 3	Year 4	Year 5
China	Year 2	Year 3	Year 4	Year 5
India	Class 2	Class 3	Class 4	Class 5

Here are some free Year 4 Decimal Addition & Subtraction worksheets:

Year 4 Decimal Addition – e.g. 23.2 + 65.1

Further worksheets coming soon…

Click here for the Long Multiplication Reminder A4 poster

It’s really useful to stick on the wall by your child’s desk as a reminder on how to do long multiplication

Click here for the free A4 Ninja Maths Measurements poster

It’s really useful to stick on the wall by your child’s desk as a reminder on how to covert length (e.g. mm, cm and metres), mass (e.g. grams and kilograms) and volume (e.g. litres and ml).

Here are three Year 4 geometry worksheets covering symmetry, perimeter and area. Note that the first two would also be suitable for Year 3:

Year 4 Geometry – Worksheet 1 e.g. Symmetry

Year 4 Geometry – Worksheet 2 e.g. Perimeter

Year 4 Geometry – Worksheet 3 e.g. Area

One worksheet which uses multiplication wheels which is generally easier and more fun for children to fill in that “square” times tables.

Also included here are three Number Machine workouts which use three steps of maths targeted at Year 3, for example an addition, a multiplication and another addition. These are great fun and introduce children to working out multiple-step answers:

Year 3 Multiplication Wheels

Year 3 Number Machines – Worksheet 1 – e.g. uses addition, subtraction and multiplication with an input number and an output number

Year 3 Number Machines – Worksheet 2 – e.g. uses addition, subtraction and multiplication with an input number and an output number

Year 3 Number Machines – Worksheet 3 – e.g. uses addition, subtraction and multiplication with an input number and an output number