Gallery Problems Exercise

Product Between One-Half and One

Work Time

Product Between One-Half and One

1. The product of 2 and some number a is between 12 and 1.

2a>12

and 2a<1

a. What number does a have to be less than? Justify your answer mathematically.

b. What number does a have to be greater than? Justify your answer mathematically.

c. Write three possible values for a.
 

2.  The product of –2 and some number b is between 12 and 1.

a. What number does b have to be less than? Justify your answer mathematically.

b. What number does b have to be greater than? Justify your answer mathematically.

c. Write three possible values for b.

 

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