RIC-0563 Developing algebraic thinking
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
LOCKER NUMBERS 1<br />
Use the number tiles 0 to 9 to find the 3-digit locker numbers.<br />
1. The sum of the digits is less than 15.<br />
The third digit is 3 times the first.<br />
The second digit is 3 more than the<br />
first.<br />
2. The first digit is 2 more than the<br />
second digit.<br />
The second digit is 7 less than the<br />
third digit.<br />
The number is even.<br />
3. The sum of the digits is 7.<br />
No digit is 0.<br />
The first digit is twice the second<br />
digit.<br />
The number is odd.<br />
4. The second digit is triple the first<br />
digit.<br />
The locker number is greater than<br />
200.<br />
The third digit is 4 less than the<br />
second digit.<br />
5. The locker number is odd.<br />
The sum of the digits is greater than<br />
15.<br />
The first digit is 1 more than the<br />
third.<br />
The second digit is 2 more than the<br />
first.<br />
6. The locker number is odd.<br />
The second digit is 4 less than the<br />
third.<br />
The first digit is 7 more than the<br />
second.<br />
64 DEVELOPING ALGEBRAIC THINKING www.ricgroup.com.au R.I.C. Publications ®<br />
ISBN 978-1-74126-088-5
Change language