Rounding to the nearest 10 Remember the rule

Rounding to the nearest 10 Remember the rule! 4 or below – let it go 5 or above – give it a shove Click on the link to recap https: //www. youtube. com/watch? v=VPd. E 5 a. OH 52 g

Introduction Which multiples of 10 are these numbers between? 24 47 92 65 © Classroom Secrets Limited 2018

Introduction Which multiples of 10 are these numbers between? 20 24 30 40 90 60 © Classroom Secrets Limited 2018 47 92 50 100 65 70

Varied Fluency 1 Circle the numbers that round to 80 93 83 68 85 179 65 79 © Classroom Secrets Limited 2018 75 78 82 71 181

Varied Fluency 1 Circle the numbers that round to 80 93 83 68 85 179 65 79 © Classroom Secrets Limited 2018 75 78 82 71 181

Varied Fluency 2 True or false? 391 to the nearest 10 is 400 © Classroom Secrets Limited 2018

Varied Fluency 2 True or false? 391 to the nearest 10 is 400 False – 391 to the nearest 10 is 390 © Classroom Secrets Limited 2018

Varied Fluency 3 Complete the table. Starting number 113 745 898 © Classroom Secrets Limited 2018 Nearest 10

Varied Fluency 3 Complete the table. © Classroom Secrets Limited 2018 Starting number Nearest 10 113 110 745 750 898 900

Varied Fluency 4 Sort these numbers into the table. 217 231 223 Rounds to 220 © Classroom Secrets Limited 2018 225 229 233 Round to 230

Varied Fluency 4 Sort these numbers into the table. 217 231 223 225 229 233 Rounds to 220 217 Round to 230 231 223 225 229 233 © Classroom Secrets Limited 2018

Reasoning 1 Which numbers are in the wrong column? Explain why. © Classroom Secrets Limited 2018 Nearest ten is 360 Nearest ten is 370 355 364 359 361 366 362 373 371 379 368 372 364

Reasoning 1 Which numbers are in the wrong column? Explain why. Nearest ten is 360 Nearest ten is 370 355 364 359 361 366 362 373 371 379 368 372 364 366 to the nearest ten is 370 – 6 rounds up. 379 to the nearest ten is 380 – 9 rounds up. 364 to the nearest ten is 360 – 4 rounds down. © Classroom Secrets Limited 2018

Reasoning 2 Who is correct? Prove it. 715 to the nearest ten is 720 Amanda 715 to the nearest ten is 710 Philip

Reasoning 2 Who is correct? Prove it. 715 to the nearest ten is 720 Amanda 715 to the nearest ten is 710 Philip Amanda is correct because…

Reasoning 2 Who is correct? Prove it. 715 to the nearest ten is 720 Amanda 715 to the nearest ten is 710 Philip Amanda is correct because the nearest ten to 715 is 720 – 5 always rounds up.

Problem Solving 1 Round the number represented below to the nearest 10. 100 10 10 1 1 Two ones counters are added to the number. Round the new number to the nearest 10. © Classroom Secrets Limited 2018

Problem Solving 1 Round the number represented below to the nearest 10. 140 10 10 10 1 1 Two ones counters are added to the number. Round the new number to the nearest 10. 143 + 2 145. Rounded to the nearest 10 is 150 © Classroom Secrets Limited 2018