Understanding Rounding to the Nearest Multiples: Year 5 Number Lesson

Explore rounding numbers to the nearest 10, 100, and 1000 in a Year 5 Number lesson. Identify misconceptions, learn to round up or down, and master possibilities when rounding. Practice rounding fluency and test your skills with examples and answers provided.

• Rounding Numbers
• Year 5
• Misconceptions
• Nearest Multiples
• Learning Check

endymion Follow

Uploaded on Aug 14, 2024 | 1 Views

Download Presentation

Please find below an Image/Link to download the presentation.

The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.

Presentation Transcript

1. Rounding numbers to the nearest 10, 100 and 1000 - misconceptions, and in context. Year 5 - Number (WTS) Lesson 3

2. Recap from the last lesson Look at the skills and then quickly check your understanding. Yesterday we covered rounding to the nearest 10,100 and 1000. LI: To round numbers to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Learning check: You do . Example: Vocabulary Round 453,789 to the nearest 10, 100 and 1000 Let s quickly revise these in a few questions Round before we move on... Whole number Place value Multiple Tens Hundreds Thousands Place holder To the nearest 100: To the nearest 1000: QUESTIONS: To the nearest 10: Round each number to the nearest 10, 100 and 1000. 453,789 453,789 453,789 (the 9 makes the number round up to l 456,790) (the 8 makes the number round up to 456,800) (the 7 makes the number round up to 454,000) a) 34,923 b) 67,276 c) 734,234

3. Answers To the nearest 10 To the nearest 100 To the nearest 1000 34,923 34,920 34,900 35,000 67,276 67,280 67,300 67,000 734,234 734,230 734,200 734,000 Rounding fluency Did you get these correct? If not, watch this video from last lesson, to recap rounding to the nearest 10, 100, and 1000. If you feel confident, carry on with the slides.

4. Teacher Example Year 5 rounding - misconceptions and ideas to remember... LI: To round numbers to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Learning check: You do . Vocabulary 3,899 rounded to the nearest 10 QUESTIONS: Round each number to the nearest 10 Round WTS - misconception 10s Whole number Place value Multiple Tens Hundreds Thousands Place holder a) 7,899 b) 94,899 c) 128,799 ANSWERS: a) 7,900 b) 94,900 c) 128,800

5. Teacher Example Year 5 rounding - misconceptions and ideas to remember... LI: To round numbers to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Learning check: You do . Vocabulary 7,983 rounded to the nearest 100 QUESTIONS: Round each number to the nearest 1000. Round WTS - misconceptions 100s# Whole number Place value Multiple Tens Hundreds Thousands Place holder a) 6,998 b) 39,927 c) 579,901 ANSWERS: a) 6,998 = 7,000 b) 39,927 = 40,000 c) 579,901 = 580,000

6. Teacher Example Year 5 rounding - misconceptions and ideas to remember... LI: To round numbers to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Learning check: You do . Vocabulary 18,962 rounded to the nearest 1000 QUESTIONS: Round each number to the nearest 100 Round WTS - misconceptions 100s Whole number Place value Multiple Tens Hundreds Thousands Place holder a) 2,992 b) 49,953 c) 628,999 ANSWERS: a) 2,992 = 3000 b) 49,953 = 50,000 c) 628,999 = 629,000

7. Teacher Example Year 5 rounding - misconceptions If you need extra help! LI: To round numbers to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Learning check: You do . Vocabulary Round Whole number Place value Multiple Tens Hundreds Thousands Place holder If you struggled with any of these - use the videos on the previous slides to refresh your memory!

8. LI: To round numbers to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Teacher Example Reasoning and problem solving in context. Lara puts the number 3,884 into the rounding machine. What number comes out of the rounding machine? Vocabulary Round 3,900 to the nearest 1,000 rounds to 4,000 Whole number Place value Multiple Tens Hundreds Thousands Place holder 3,890 3,884 3,884 to the nearest 10 is 3,890 3,890 to the nearest 100 is 3,900 3,900 4,000

9. LI: To round numbers up to 10,000,000 to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Learning check: You do . Vocabulary Q1 True or false: If I round 2,963 to the nearest 100 it will equal the same as 3,295 rounded to the nearest 1000. Explain your answer. Round Whole number Place value Multiple Tens Hundreds Thousands Place holder Q2 Tennis balls are sold in tubes of ten. If Weston Tennis Club needs 47 balls, how many tubes do they need to buy? Explain how rounding helps you solve this problem.

10. LI: To round numbers up to 10,000,000 to the nearest 10, 100 and 1000 I can identify the nearest multiple to a number I can decide whether to round up or round down I can identify possibilities when rounding Learning check: You do . Q1 True, because 2,93 rounded to the nearest 100 equals 3,000 and 3,295 rounded to the nearest 1000 equals 3,000. Vocabulary Round Q2 Whole number Place value Multiple Tens Hundreds Thousands Place holder I know I can round my number to the nearest ten, because the balls come in tubes of ten. 47 rounded to the nearest 10 is 50 5 lots of 10 equal 50, so the Weston Tennis Club needs to buy 5 tubes. It means that they will have 3 extra balls though! All the better to play tennis with!

11. Well done! Now complete the worksheet below on the google doc. You can either write the answers on the google doc, or write it out on paper and send a picture of your work to your teacher. https://docs.google.com/document/d/1ZfIm1VLSOO2CJPTlWgQwIENsrNgJqG0E x0dGTJ48pyU/edit Remember to log onto maths whizz as well this week!