Multiply or divide to complete the measurement conversion:
The length of 4.65 meters is the same as ___________________ millimeters.
When you are finished tell your neighbor how you got your answer.
4.65 M = 4650 mm It takes 1000 millimeters to make a meter, so I would multiply 4.65 by 1000.
Write the following number in unit form:
35.98
3 tens 5 ones 9 tenths 8 hundredths
Round 51.582 to the
one
tenth
hundredth
52
51.6
51.58
Estimate to the nearest whole number. Then complete the operation using the standard algorithm. Are your estimates and answers similar?
45.3 + 32.8 =
Estimate: 45 + 33 = 78.0
Exact answer: 78.1
How far apart was the estimated answer to the actual answer?
5 tenths + 11 hundredths ______ 0.62
0.61 < 0.62
Multiply or divide to complete the measurement conversion:
The length of 72 millimeters is the same as ___________________ meters.
When you are finished tell your neighbor how you got your answer.
72 mm = .072 m
1 millimeter is 1/1000 of a meter, so I would divide 72 by 1000 to get my answer. 72/1000 can be written as 0.072.
Write the following number in expanded form:
267.41
(2x102) + (6 x 101) + (7 x 1) + (4 x 0.1) + (1 x .01)
Round 89.602 to the
one
tenth
hundredth
90
89.6
89.60 (or 89.6)
2.045 + 79 =
Estimate: 2 + 79 = 81
Exact Answer: 81.045
How far apart were the estimate and exact answer?
583 hundredths + 9 tenths _________ 1 + 3 tenths
1.483 > 1.3
Multiply or divide to complete the measurement conversion:
The length of 0.04 meters is the same as ___________________ millimeters.
When you are finished tell your neighbor how you got your answer.
0.04 m = 40 mm
There are 1000 millimeters in each meter, so I would multiply by 1000 to get my answer.
Write the following number in standard form
(8x1) + (3 x 1/10) + (4 x 1/100) + (2 x 1/1000)
8.342
Round 3099.998 to the nearest
one
tenth
hundredth
3100
3100.0 (or 3100)
3100.00 (or 3100)
Discuss: Why are all these rounded numbers the same?
62.89 - 23.3=
Exact Answer: 81.045
How far apart were the extimate and exact answer?
Estimate: 63 - 23 = 40
Exact Answer: 39.59
How far apart were the estimate and exact answer?
three and seven hundred forty- six thousandths ________ (3 x 1) + (7 x 1/10) + (4 x 1/100) + (6 x 1/1000)
3.746 = 3.746
Multiply or divide to complete the measurement conversion:
The length of 0.004 meters is the same as ___________________ centimeters.
When you are finished tell your neighbor how you got your answer.
0.004 m= .4 cm
There are 100 cm in a meterstick, so I would multiply the meters by 100 to find my answer in centimeters.
Write the following number in word form:
Use your number words spelling list.
5,905.76
five thousand, nine hundred five and seventy-six hundredths
Write a number with digits to the thousandths place in the blank space that could be the original number for the rounded numbers. (There is more than one right answer.)
ones: 23 tenths: 23.2 hundredths: 23.24
Original number is between 23.235 and 23.244
Discuss your number with a partner. How did you make your choice?
0.872 - 0.49
Estimate: 0.9 - 0.5 = 0.4
Exact Answer: 0.382
How far apart were the estimate and real answer?
(0.4 x 102) + (0.06 X 103) _________(0.4 x 10) + (0.06 X 102)
4 + 10 = 4 + 10