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In this lesson, we will learn how to round numbers and simplify calculations using rounding.
Q1:
What is this number rounded to the nearest tenth?
7.38
Q2:
Which of these numbers is closest in value to 10?
Q3:
Emilia wants to find the product of 7.72×3.23. First, she estimates it by rounding both factors to the nearest whole number. Then, she carries out the multiplication. She finds that her estimate was slightly lower than the actual product.
She worked out the difference between the actual value of the product and her estimate.
How many decimal places does this difference have?
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