Page 16 - 新思维数学活动用书6 样章
P. 16
1.2 Rounding decimal numbers
8 Huan is thinking of a number. She rounds it to the nearest whole number.
She says, ‘My number is the largest number with 2 decimal places that
rounds to 10.’
What number is Huan thinking of?
Challenge
9 Here are eight numbers.
3.36 2.71 4.03 3.34 3.29 3.15 2.93 3.44
Use these clues to identify one of the numbers.
• The number rounds to 3 to the nearest whole number.
• The tenths digit is odd.
• The hundredths digit is even.
• The number rounds to 3.3 to the nearest tenth.
Draw a ring around the correct number.
15
