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Olenka [21]
3 years ago
10

The Spotlight on Teaching and Learning at the beginning of this chapter discusses the emphasis in the Common Core State Standard

s for Mathematics on learning about measurement by measuring real objects. Look back at this page and respond to the first “Think About This” question by giving a specific description of an activity that would involve second-graders in learning to measure length and selecting an appropriate tool to use.
Mathematics
1 answer:
ivanzaharov [21]3 years ago
3 0
I don't know this question
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(05.01)A scale drawing of a living room is shown below. The scale is 1 : 40.
matrenka [14]

Answer:

A=266\frac{2}{3}\ ft^2

Step-by-step explanation:

we know that

The scale is \frac{1}{40}

That means

1 unit in the drawing represent 40 units in the actual

or

1 inch in the drawing represent 40 inches in the actual

step 1

Find the actual dimensions of the living room

Multiply the dimensions of the living room in the drawing by 40

Length:\ 6(40)=240\ in

Width:\ 4(40)=160\ in

step 2

Convert inches to feet

Remember that

1\ ft=12\ in

To convert inches to feet , divide by 12

so

Length:\ 240\ in=240/12=20\ ft

Width:\ 160\ in=160/12=\frac{40}{3}\ ft

step 3

Find the area in square feet

Multiply the length by the width

A=(20)(\frac{40}{3})=\frac{800}{3}\ ft^2

Convert to mixed number

A=\frac{800}{3}\ ft^2=\frac{798}{3}+\frac{2}{3}=266\frac{2}{3}\ ft^2

4 0
3 years ago
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A space probe traveled 524,000,000 miles, at an average speed of 32,000 miles per hour. How many hours did the space probes jour
Svet_ta [14]

Answer:

Step-by-step explanation:

5.24×10⁸ miles × (1 hour)/(3.2×10⁴ miles) = 1.6375×10⁴ hours = 16,375 hours

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2 years ago
If you were lost and were alone without any measuring devise, how would you determine what time of the day it would be?
ArbitrLikvidat [17]

Answer:

you would look where the sun is to help tell the time

Step-by-step explanation:

4 0
3 years ago
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Last year, 75 new houses were built in a neighborhood. So far this year, 4/5 of them have been sold. How many new houses have be
valina [46]

Answer:

60 sold

Step-by-step explanation:

4/5 of 75 new houses sold this year comes out to 60 new houses sold.  Just multiply the total (75 houses) by this fraction (4/5).

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3 years ago
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