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PLACE VALUE POWER

100

What happens to the value of the digit 4 when it moves from the tenths place to the hundredths place?

It becomes ten times smaller.

200

Write this value out in standard decimal form: 40 + 2 + 7/100.

42.07

300

Create a decimal number where the digit in the hundredths place is worth more than 0.05, and the tenths place is exactly 0.2.

Answer could be: _.26, _.27, _.28, or _.29

ROUNDING TOWERS

100

What is the exact midpoint value between 5.6 and 5.7 on a vertical number line.

5.65

200

Sketch a vertical number line to show why 0.384 rounds to 0.38 when rounding to the nearest hundredths.

0.39

||

0.385

||          <--0.384

0.38

300

Round 3.97 to the nearest tenths place. Explain what happens to the ones place value?

It rounds to 4.0. The 9 "spills over" into the ones place.

NUMBER LINE MAPS

100

Identify the two whole numbers that the fraction 14/3 lives between.

Between 4 & 5.

(14/3 = 4 ^2/3)

200

Draw a segment from 0 to 1, partition it into fifths and plot 0.6.

|---|---|---|---|---|

0            0.6      1.0

300

Which number value sits physically closer to 1.5 on a line: 1.25 of 1.6?

1.6

(It is only 0.1 away, while 1.25 is 0.25 away.)