Saturday, August 22, 2015

Building a Mystery (Tower)

We will have our first Math assessment on Wednesday, August 26.  Here are some sample questions that students should be able to answer.

Compare using <, >, or =.
1.  0.5 ____ 0.123
2.  3 thousandths + 4 hundredths _____ 0.021
3.  2 hundreds 5 tenths 1 hundredth ____ 200.51
4.  4 x 1000 + 2 x 100 +3 x 0.1 _____ 4 x1000 + 2 x 10 + 3 x 0.01

5.  Model the number 9.99 on the place value chart.
a.  Use words, numbers, and your model to explain why each of the digits has a different value.  Be sure to use "ten times as large" and "one tenth as large" in your explanation.

b.  Multiply 9.99 x 10,000.  Explain the shift of the digits and change in the value of each digit.

6.  Rainfall collected was found to be 5.3 cm when rounded to the nearest tenth of a cm.  Which numbers could be the actual measurement of rainfall.  5.352 cm;  5.295 cm;  5.251 cm; 5.359 cm

a. Convert the rounded measurement to meters.



Here is a picture of our Cup Tower Inquiry.  Students worked to build a tower out of plastic cups, but they couldn't touch the cups with their hands.  This helped students to see how they have a responsibility to work together in small groups.















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