Step 5 Objective
Round positive whole numbers to the nearest 10, 100 or 1000, and decimals to the nearest whole number or one decimal place.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
How do you go about rounding a number to the nearest 100? What do you look for?
Is 230 rounded to the nearest 10, 100 or 1000? How do you know?
Is 500 rounded to the nearest 10, 100 or 1000? How do you tell?
What is the largest/smallest number to one decimal place that would be rounded to 7?
What is the largest/smallest number to two decimal places that would be rounded to 7?
What is the largest/smallest number altogether that would be rounded to 7?