What number might be represented on the point on the number line?
Record an estimate that is:
too low
about right
too high
Activity 1
Name that Number
Jada tries to locate 15.53 on the number line. Do you think she accurately located the number?
Number line. Eleven evenly spaced tick marks. First tick mark, 15. Last tick mark, 16. Point between sixth and seventh tick mark, labeled, 15 and 53 hundredths
A number is located between 2 tick marks on each number line. Label those tick marks. Then estimate the number.
Number line. Eleven evenly spaced tick marks. First tick mark, 3. Last tick mark, 4. Point between third and fourth tick mark. blank lines below third and fourth tick marks.
Number line. Eleven evenly spaced tick marks. First tick mark, 5 and 6 tenths. Last tick mark, 5 and 7 tenths. Point slightly right of eighth tick mark. blank lines below eighth and ninth tick marks.
Number line. Eleven evenly spaced tick marks. First tick mark, 1 and 7 tenths. Last tick mark, 1 and 8 tenths. Point slightly left of third tick mark. blank lines below second tick mark and point.
Activity 2
Which Number Is Closest?
Round 6.273 to the nearest whole number, tenth, and hundredth. Use the number lines if they are helpful. Explain or show your reasoning.
Round 4.158 to the nearest whole number, tenth, and hundredth.
Activity 3
Round the Numbers
Round each number to the nearest whole number, tenth, and hundredth.
nearest whole number
nearest tenth
nearest hundredth
34.482
99.909
5.555
19.509
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