Unit 1 Lesson 3 Master Represent and compare

Unit 1 Lesson 3 Master: Represent and compare numbers on a number line Experience: Order a set of numbers

Do Now 5 7 2 0 9 Arrange the digits above to make: a) the smallest number possible b) the largest number possible c) a number with a zero in the hundreds place d) a number with a two in the tens place Write your numbers in words and figures Three rabbits had 15 carrots between them. Each rabbit had an odd number of carrots. How many carrots did each rabbit have? 1

Comparing Numbers No, no. 23 is smaller than 14. 14 is smaller than 23. Which one of the bees is right? How can you prove this? 2

Comparing Numbers No, no. 23 is smaller than 14. 14 1 14 is smaller than 23. 4 23 2 3 3

Comparing Numbers No, no. 23 is smaller than 14. 14 is smaller than 23. 23 is bigger than 14 23 > 14 13 14 15 16 14 is smaller than 23 14 < 23 17 18 19 20 21 22 23 4

People Maths Each of you is now a number. Get ready to stand up! When asked a question, you must answer in full sentences. Example: Teacher 'Stand up if you are greater than 17' <All numbers bigger than 17 stand up!> Teacher 'Number 22, how much greater than 17 are you? ' Number 22 'I am Number 22. I am 5 more than Number 17. ' 5 Be prepared to prove this using blocks

Comparing Numbers 32 520 is bigger than 31 699. No way! 31 699 is bigger than 32 520. Which of the birds is right? How do you know? 6

Place Value 32 520 is bigger than 31 699. No way. 31 699 is bigger than 32 520. 7

Place Value 31 500 32 000 32 500 I know this because ______________ 8

Comparison Cloud Put the numbers in order from smallest to largest. 581 960 600 000 572 101 568 912 545 099 581 690 How many comparison sentences can you write? Example 581 960 is bigger than 545 099 581 960 > 545 099 I know this because 80 000 is bigger than 40 000 9

Comparison Cloud 581 960 600 000 572 101 568 912 581 690 545 099 Fill in the gaps with > or < 545 099 568 912 600 000 572 101 581 690 581 960 10