1 / 9

Dizzy digits

Dizzy digits. You can play around with your calculator to work it out. Use digits: 0,1,2,3,4,5,6,7,8,9 and operations: +,-,x, ÷ and = to make 1 Use ALL digits, every digit once. Can you give at least 5 answers?. Example Answers. 23456789x0+1=1 234567x0+9-8 =1 234569x0+8-7 =1

blaise
Télécharger la présentation

Dizzy digits

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Dizzy digits You can play around with your calculator to work it out. Use digits: 0,1,2,3,4,5,6,7,8,9 and operations: +,-,x,÷ and = to make 1 Use ALL digits, every digit once. Can you give at least 5 answers?

  2. Example Answers • 23456789x0+1=1 • 234567x0+9-8 =1 • 234569x0+8-7 =1 • 234589x0+7-6 =1 • 234789x0+6-5 =1

  3. Dizzy digits You can play around with your calculator to work it out. You can use the +,- and = keys Use five 2s to make 28 Use eight 8s to make 1000

  4. Answer 22+2+2+2=28888+88+8+8+8=1000

  5. Father to son There were two fathers. One day first of them transfered from his account to his son’s account £150, and second father transfered to his son’s account £100. At the end of that day both sons’ accounts together shown only £150 more than before that day. There were no other bank operations on that day. How it’s possible?

  6. Dizzy digits You can play around with your calculator to work it out. Is it possible to use four 5s and operations: +,-,x,÷ to make all natural numbers from 0 to 10?

  7. Dizzy digits You can play around with your calculator to work it out. Is it possible to use four 5s and operations: +,-,x,÷ to make all natural numbers from 0 to 10? 0= 5= 1= 6= 2= 7= 3= 8= 4= 9= 10=

  8. answers 0=55-551=5-5+5:52=5:5+5:53=(5+5+5):54=(5*5-5):55=(5-5)*5+56=55:5-57=(5+5):5+58=not possible9=5+5-5:510=5+5+5-5

  9. 10% of 100 20% of 60 30% of 90 40% of 30 50% of 50 60% of 60 70% of 30 80% of 80 90% of 10 ₤100-20% ₤40-10% ₤90-30% ₤15-30% ₤200-25% ₤12-25% Calculate:

More Related