Estimating
3+5x2 =16 <ul><li>True or False </li></ul>
7-3x2=1 <ul><li>True or False? </li></ul>
5x6+2=32 <ul><li>True of False? </li></ul>
(10-4)x3 = 18 <ul><li>True or False? </li></ul>
4+4x2 = ?
3+4x5-6
(3+4)x5-6
4²+3x2
3+15÷5-4x2
40x3
50x70
120x20
600÷30
240÷8
1600÷40
45000÷90
Write three thousand and seven in figures.
Write two hundred and thirteen thousand, four hundred and seventeen in figures.
278x41 <ul><li>What number would you use to estimate 278? </li></ul><ul><li>A 280 </li></ul><ul><li>B 270 </li></ul><ul><l...
278x41 <ul><li>What number would you use to estimate 41? </li></ul><ul><li>A 40 </li></ul><ul><li>B 50 </li></ul><ul><li>C...
278x41 <ul><li>What do you estimate the answer to be? </li></ul>
31.97x 17.21 <ul><li>What number would you use to estimate the 31.97? </li></ul>
31.97x 17.21 <ul><li>What number would you use to estimate the 17.21? </li></ul>
31.97x 17.21 <ul><li>What do you estimate the answer to be? </li></ul>
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Maths estimating

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Maths estimating

  1. 1. Estimating
  2. 2. 3+5x2 =16 <ul><li>True or False </li></ul>
  3. 3. 7-3x2=1 <ul><li>True or False? </li></ul>
  4. 4. 5x6+2=32 <ul><li>True of False? </li></ul>
  5. 5. (10-4)x3 = 18 <ul><li>True or False? </li></ul>
  6. 6. 4+4x2 = ?
  7. 7. 3+4x5-6
  8. 8. (3+4)x5-6
  9. 9. 4²+3x2
  10. 10. 3+15÷5-4x2
  11. 11. 40x3
  12. 12. 50x70
  13. 13. 120x20
  14. 14. 600÷30
  15. 15. 240÷8
  16. 16. 1600÷40
  17. 17. 45000÷90
  18. 18. Write three thousand and seven in figures.
  19. 19. Write two hundred and thirteen thousand, four hundred and seventeen in figures.
  20. 20. 278x41 <ul><li>What number would you use to estimate 278? </li></ul><ul><li>A 280 </li></ul><ul><li>B 270 </li></ul><ul><li>C 300 </li></ul>
  21. 21. 278x41 <ul><li>What number would you use to estimate 41? </li></ul><ul><li>A 40 </li></ul><ul><li>B 50 </li></ul><ul><li>C 41 </li></ul>
  22. 22. 278x41 <ul><li>What do you estimate the answer to be? </li></ul>
  23. 23. 31.97x 17.21 <ul><li>What number would you use to estimate the 31.97? </li></ul>
  24. 24. 31.97x 17.21 <ul><li>What number would you use to estimate the 17.21? </li></ul>
  25. 25. 31.97x 17.21 <ul><li>What do you estimate the answer to be? </li></ul>

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