Matching



Jennifer and Molly play a game. Jennifer thought of a number and told Molly. The
answer to the question was 2.4. Jennifer showed Molly the steps she took to get the
answer.
Order the steps Molly takes to calculate the
original number.
a.  She multiplies 9.4 x 7 = 65.8.  b.  She multiplies
2.337 x 10 = 23.37.  c.  She divides 23.37 ÷ 4.1 = 5.7.  d.  She adds 5.7 +
3.7 = 9.4  e.  She subtracts 2.4  0.063 = 2.337.   


1.

What
is Molly’s first step?


2.

What
is her second step?


3.

What
is her third step?


4.

What
is her fourth step?


5.

What
is her final step?



This time Molly thought of a number and told Jennifer the answer to the question is
1.31. Molly showed Jennifer the steps she took to get the answer.
Order the steps Jennifer takes to calculate the
original number.
a.  She multiplies 1.422 x 6 = 8.532.  b.  She multiplies
7.82 x 10 = 78.2.  c.  She adds 1.31 + 0.112 = 1.422  d.  She subtracts
14.22  6.4 = 7.82.  e.  She divides 8.532 ÷ 0.6 = 14.22.   


6.

What
was Jennifer’s first step?


7.

What
was her second step?


8.

What
was her third step?


9.

What
was her fourth step?


10.

What
was her final step?
