Year 3 Times Tables.

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Presentation transcript:

Year 3 Times Tables

2014 Curriculum Count in steps of 2, 3, 4, 5, 8, 10, 50 and 100 from any number. Recall and use multiplication and division facts for 3, 4 and 8 multiplication tables, including recognising odd and even numbers Write and calculate mathematical statements for multiplication and division, using the multiplication tables that they know including two-digit numbers times one-digit numbers, using mental and progressing to formal written methods Solve problems including missing number problems involving multiplication and division

As from 2017 Year 6 children will have to take a times tables test online. This test will be timed to assess your child’s knowledge, speed and accuracy.

Multiplication Vocabulary Slide 13

Setting out Always starting with the times table you are focussing on. 3 x 0 = 0 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 etc

Progression Counting in steps Chanting Learning by rote Learning in random order

Fluency Calculate: 4 x 5= 20 ÷ 2 = 6 x 10= 25 ÷ 5 = A flower has 5 petals. How many petals do 5 flowers have? Circle the odd numbers. 12 13 17 18 21

Reasoning Which has more? 4 bags of sweets with 5 in each or 3 bags of sweets with 10 in each? Explain your reasoning. 20 = ____ x ____ what numbers could go in these boxes? Prove it. I have 35p in my pocket in 5p coins. How many coins do I have? Draw a picture to prove your answer.

Problem Solving Tubes of bubbles come in packs of 2 and 5. Holly has 22 tubes of bubbles. How many of each pack could she have? How many ways can you do it? Sally and Katie want to share sweets out equally between them. They can buy bags of 17, 18 or 21 sweets. Which bag should they buy? What other packs of sweets could they buy?

Calculate mathematical statements for multiplication and division within the multiplication tables and write them using the multiplication (x), division (÷) and equals (=) sign.

Fluency 5 x 3= 15 Write a division sentence using the same numbers. Write these addition sentences as multiplication sentences. 5 + 5 + 5+ 5= 5 x 4 2 + 2 + 2 = Can you write 4 number sentences to describe the array?

Reasoning How many number sentences can you write to describe this array? Can you use addition, multiplication and division? Explain your answers. Which four number sentences link these numbers 2, 4, 8? Prove it.

Problem Solving Ted buys 4 books for £2 each. If he has a £10 note, how much change will he get? Write the multiplication sentence you need to do. Use the number cards below to make multiplication and division sentences. How many numbers up to 20 can you make? 1 2 3 4 5

Show that the multiplication of two numbers can be done in any order (commutative) and division of one number by another cannot.

Fluency Write multiplication sentences for the bars below. What do you notice? Fill in the gaps: ______ X 3 = 15 3 x = 15 4   5

Reasoning True or False? 2 x 5 = 5 x 2 2 x 5 = 10 x 1 2 x 5 = 1 x 10 What do you notice?

Problem Solving Cassie has 4 bags with 5 sweets in each, Rachel has 5 bags with 4 sweets in each. How many do they have each? Can you split the sweets into different numbers of bags so they both still have the same number?

Times Table Passports

Leaflet- Games and Websites Digit cards Dice www.bitesize.co.uk nrich.org www.bbc.co.uk/starship/maths/games/number_jumbler www.topmarks.co.uk www.teachingtables.co.uk www.twinkl.co.uk Times table mats and times tables wheels

Times tables Tips 7 x 10 x 3 x 2 x 4 x 5 x 6 x 1 x 8 x October 2007. Kindly contributed to the Adult Basic Skills Resource Centre http://www.skillsworkshop.org/ by Gaye Noel g.noel@parklanecoll.ac.uk Park Lane College, Leeds. Thank you Gaye. Main curriculum links N1/E3.5 Recall multiplication facts, for example multiples of 2, 3, 4, 5, 10. N1/L1.5 Recall multiplication facts up to 10 x 10 and make connections with division facts. 6 x 1 x 8 x

3x table X 1 2 3 4 5 6 7 8 9 10 3 6 9 12 15 18 21 24 27 30 tip Add the digits (e.g. 27 = 2 + 7 = 9) If the digits add up to 3, 6 or 9 they belong to the 3x table and 3 will divide into them exactly. Do you think that this trick could be used to see if 3 divides into any number? Have a go!

If I know the 3x table, …………………… How will I find the answers to complete the 6x table? X 1 2 3 4 5 6 7 8 9 10 3 6 9 12 15 18 21 24 27 30 6

As you already know: Double 2 is 4 4x table X 1 2 3 4 5 6 7 8 9 10 4 8 12 16 20 24 28 32 36 40 All numbers in the 4x table are even. This means they end with 0, 2, 4, 6, or 8. tip As you already know: Double 2 is 4 So when you multiply any number by 2 and then double it . It is the same as multiplying by 4 Try a few! Does it work?

If I know the 4x table, …………………… What do I need to my answers to complete the 8x table? X 1 2 3 4 5 6 7 8 9 10 4 8 12 16 20 24 28 32 36 40 8

Can I tell if 5 goes into 145, 1232, 670 or 2475? 5x table X 1 2 3 4 5 6 7 8 9 10 5 10 15 20 25 30 35 40 45 50 All numbers in the 5x table end with 0 or 5. tip Can I tell if 5 goes into 145, 1232, 670 or 2475? How?

Count the fingers on each side of the bent finger 9x table X 1 2 3 4 5 6 7 8 9 10 9 18 27 36 45 54 63 72 81 90 tip Bend the first finger over Count the fingers on each side of the bent finger 9 9 x 1 = 9

A times table square could also help you learn your tables

6 x 6 = 36 X 1 2 3 4 5 6 7 8 9 10 12 14 16 18 20 15 21 24 27 30 28 32 36 40 25 35 45 50 42 48 54 60 49 56 63 70 64 72 80 81 90 100