Matematika 3

Observation Card

Term 1 Week 7 · Rounding to the nearest ten, hundred or thousand · CG Quarter 1, competency 12 · 4 criteria

Cut along the lines — one slip per learner

LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
LearnerDate
  • State the two candidates for any number up to 10 000 at the level asked for — the multiple below and the multiple above — and show the number between the two on the number line, on the floor or on paper: for 149 to the nearest hundred, 100 and 200
  • Write the two distances before the answer — 49 and 51 for 149 — and choose the smaller; and when the two are equal, as 4 500 is to the nearest thousand, follow the agreement to go up and call it an agreement, not a truth
  • Round one and the same number to the nearest ten, hundred, and thousand — 2 648 is 2 650, 2 600, and 3 000 — and say that the three answers are different because the three questions are different, not because one of them is wrong
  • Round once only, from the original number, so that 149 to the nearest hundred is 100 and never 149 → 150 → 200
The learner’s exact words Write what they said, not what you took it to mean
Next step
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