thomas was buying candy. he measured out 2.65 pounds. is this closer to 2.6 or 2.7 pounds?
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Thomas was buying candy. He measured out 2.65 pounds. Is this
closer to 2.6 or 2.7 pounds?
In this lesson you will learn how to round decimals to the
nearest tenth by using a number line.
Let’s Review
= 0.3 = 0.30
equivalent
Let’s Review
rounding
$36.87 $40.00
A Common Misunderstanding
0.80 1
Not dividing the whole into the correct number of equal parts.
0 1
A Common Misunderstanding
Misapplying a rounding “rule” in order to solve a problem.
4.48 4.5 5.04.48 4.0
Core Lesson
6.2 6.36.24
What is 6.24 rounded to the nearest tenth?Between which two tenths is
6.24?6.24
0.04 0.06<
= 6.2
6.20 6.30
Core Lesson
1.1 1.21.18
What is 1.18 rounded to the nearest tenth?
Between which two tenths is
1.18?
1.18
0.08 0.02>
= 1.2
1.10 1.20
Core Lesson
2.5 2.62.549
What is 2.549 rounded to the nearest tenth?
Between which two tenths is
2.549?2.549
0.049 0.051<
= 2.5
2.500 2.6002.540 2.550
Core Lesson
2.6 2.72.65
Thomas was buying candy. He measured out 2.65 pounds. Is this closer to 2.6 or 2.7 pounds?
Between which two tenths is
2.65?2.65
0.05 0.05=
= 2.7If the distance is
equal, the numeral will always round
up.
2.60 2.70
In this lesson you have learned how to round
decimals to the nearest tenth by using a number line.
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