Monday Rounding to the nearest 10 and 100
- Slides: 8
Monday – Rounding to the nearest 10 and 100 Round to nearest 100 32 55 78 134 156 461 827 625 1375 1999 320 554 784 114 1565 4213 8577 4625 21735 59854 Challenge: My number rounds to 300 when rounded to the nearest 10 and the nearest hundred. What number could I have? Find all the options!
Monday – Answers Round to nearest 100 32 - 30 55 - 60 78 - 80 134 - 130 156 - 160 461 - 460 827 - 830 625 - 630 1375 - 1380 1999 - 2000 320 - 300 554 - 600 784 - 800 114 - 100 1565 - 1600 4213 - 4200 8577 - 8600 4625 - 4600 21, 735 – 21, 700 59, 854 – 59, 900 Challenge: My number rounds to 300 when rounded to the nearest 10 and the nearest hundred. What number could I have? Find all the options! 295, 296, 397, 299, 301, 302, 303, 304 305 – rounds to 310 294 rounds to 290
Tuesday – numbers on the number line Place these numbers on the number lines. Challenge: Can you round each number to the nearest 1000?
Tuesday – numbers on the number line Place these numbers on the number lines. Challenge: Can you round each number to the nearest 1000? 8000 = 8000 2500 = 3000 3900 = 4000 9900 = 10, 000 4300 = 4000
Wednesday – addition and subtraction Challenge Now solve these addition and subtraction problems, using a bar method if needed. 1458 + 2723 = ? 3656 + ? = 7547 3936 + 5721 = ? ? + 4109 = 8252 18, 374 + 47, 273 = ? ? + 28, 475 = 55, 866
Wednesday – Answers Challenge Now solve these addition and subtraction problems, using a bar method if needed. 1458 + 2723 = 5770 3656 + 3891 = 7547 3936 + 5721 = 9657 4143 + 4109 = 8252 18, 374 + 47, 273 = 65, 647 27, 391 + 28, 475 = 55, 866
Thursday – tell the time! Challenge Write the times before or after the time shown – see each instruction.
Thursday – tell the time! (answers) 25 past 5 25 past 12 5 to 4 5 to 2 20 to 3 20 to 11 5 past 3
