PotW Nov14-18 - CDNIS Community Sites

1. READ
2. UNDERSTAND
•
What are you trying to find out? Read the problem carefully.
•
What is the important information – put a circle around it.
•
Can you estimate the answer?
Guess the mystery number.
This number has 5 digits. Every digit is an odd number and none of the
digits include 9. Every digit in the number is different except the ones in
the thousands and ones place. The greatest digit is in the ones place and
the smallest digit is in the ten thousands place. The tens digit is four
greater than the ten thousands place digit. The sum of the 5 digits is 23.
•
Decide on a strategy to help you to find an answer to the
problem.
•
Solve the problem and remember to record all your thinking –
you can use words, numbers, diagrams or pictures.
1) What is the standard form of the mystery number?
2) What is the place value of the tens place?
3) What is the face value of the ten thousands place?
4) What is the total value of the hundreds place?
5. ANSWER
•
Check your answer (you may use a calculator). If you find
your answer is not correct try another way of solving the
problem.
•
Write your answer in a sentence using mathematical language.
6. CHECK
Name: