Rounding Numbers to the Nearest 10 and 100 for Year 5 - Lesson 1
In this lesson, students will learn how to round numbers to the nearest 10 and 100. Key concepts covered include identifying the nearest multiple to a number, deciding whether to round up or down, and exploring possibilities when rounding. The lesson builds upon Year 3 and 4 knowledge and emphasizes fluency in identifying multiples of 10 and 100. Additional teacher examples and learning checks enhance understanding and practice. Watch videos, engage in activities, and test your knowledge to strengthen rounding skills.
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Rounding numbers to the nearest 10 and 100 Year 5 - Number (WTS) Lesson 1
LI: To round numbers to the nearest 10 and 100 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 Whenever you see a learning check try the question on a piece of paper and then click for the answer! Learning check: You do . Vocabulary Round Whole number Place value Multiple Tens Hundreds Number line Place holder In this lesson we will recap our Year 3 and 4 knowledge of rounding to the nearest 10, 100.. Test your knowledge on this topic, and refresh your memory!
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 I can identify possibilities when rounding LI: To round numbers to the nearest 10 and 100 I can identify the nearest multiple to a number I can decide whether to round up or round down Knowledge harvest... Rounding knowledge harvest.mov Vocabulary Round Watch the video to find out about rounding... Whole number Place value Multiple Tens Hundreds Number line Place holder
Teacher Example Fluency - Recap - identifying multiples of 10 and 100 LI: To round numbers to the nearest 10 and 100 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 To round, we need to be able to identify multiples of 10 and 100 we need to be able to count in powers of 10. Vocabulary For example: 10, 20, 30 or 200, 300, 400 etc. Round Whole number Place value Multiple Tens Hundreds Number line Place holder We also need to be able to identify the value of a digit and identify the multiple of 10 and 100 below or above a number. For example: 23 23 The tens below: 20 The tens above: 30
LI: To round numbers to the nearest 10 and 100 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 More Teacher Examples Fluency - Recap - identifying multiples of 10 and 100 The hundreds below: 400 The hundreds above: 500 472 472 Vocabulary Round The hundreds below: 6300 The hundreds above: 6400 6349 6349 Whole number Place value Multiple Tens Hundreds Number line Place holder Learning check - You do . On next slide...
LI: To round numbers to the nearest 10 and 100 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 Multiple of 10 lower Number Multiple of 10 higher Round 672 Whole number Place value Multiple Tens Hundreds Thousands Place holder 5,652 Multiple of 100 lower Number Multiple of 100 higher 732 13,273
LI: To round numbers to the nearest 10 and 100 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 ANSWERS: Vocabulary Multiple of 10 lower Number Multiple of 10 higher 672 670 680 Round Whole number Place value Multiple Tens Hundreds Thousands Place holder 5,652 5650 5660 Multiple of 100 lower Number Multiple of 100 higher 732 700 800 13,273 13,200 13,300
Teacher Example Fluency - Year 4 recap - rounding numbers to the nearest 10 and 100. Using the number line to help us! LI: To round numbers to the nearest 10 and 100 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 Number line - rounding Vocabulary Watch the video to see how I round, using a number line. Round Whole number Place value Multiple Tens Hundreds Thousands Place holder On the next slides, I will show rounding to the nearest 10 and 100 using the number line.
LI: To round numbers to the nearest 10 and 100 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 Fluency - Year 4 recap - rounding numbers to the nearest 10 Number line - 10s Vocabulary Watch the video to see how I use the number line to round numbers with up to 5 digits to the nearest 10. Round Whole number Place value Multiple Tens Hundreds Thousands Place holder Learning check - You do . 1. Round the following to the nearest 10: Answers: a) b) c) 458 1279 32,322 1. a) 460 b) 12,380 c) 392,320
Teacher Example Fluency - Year 4 recap - rounding numbers to the nearest 100 LI: To round numbers to the nearest 10 and 100 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 Number line - 100s Vocabulary Watch the video to see how I use the number line to round numbers with up to 5 digits to the nearest 100. Round Whole number Place value Multiple Tens Hundreds Thousands Place holder Learning check - You do . 2. Round the following numbers to the nearest 100 Answers: a) b) c) 344 2,126 32,674 1. a) 400 b) 2,100 c) 32,700
LI: To round numbers to the nearest 10 and 100 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. Problem - rounding 100s Vocabulary Round Watch the video to see how I solve this problem. Whole number Place value Multiple Tens Hundreds Thousands Place holder
Learning check: You do . LI: To round numbers to the nearest 10 and 100 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 Q1 A school orders 1,230 new chrome books for the children. How many chrome books do they order, to the nearest hundred? Vocabulary Round Q2 Tick the boxes showing whether the rounding is True or False. Whole number Place value Multiple Tens Hundreds Thousands Place holder True False 345 rounded to the nearest 10 is 340. 2,849 rounded to the nearest 100 is 2,800.. 7,473 rounded to the nearest 100 is 7,500. 34,799 rounded to the nearest 10 is 34,800.
Learning check: Answers: LI: To round numbers to the nearest 10 and 100 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 Q1 1,230 rounded to the nearest 100 is 1200, so they order 1200 chrome books to the nearest 100. Vocabulary Round Q2 Tick the boxes showing whether the rounding is True or False. Whole number Place value Multiple Tens Hundreds Thousands Place holder True False 345 rounded to the nearest 10 is 340. x 2,849 rounded to the nearest 100 is 2,800.. x 7,473 rounded to the nearest 100 is 7,500. x 34,799 rounded to the nearest 10 is 34,800. x
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/1_tKxWYePgp1KzKOhUCjbDtUJezGTJhUy WRYZbbI9smU/edit Remember to log onto maths whizz as well this week!