Can you explain it?
Does this work for very old people over the age of 99? Why or why not?
Click here to download the MAGIC 13837 worksheet.
Click here for the Notes for Teachers for Years 6-10.
Inspired by […]
You are a detective and you have to discover what digits the question marks stand for. They can be any digit from 0 to 9 and they can be the same digit or different digits.
How will you find the missing digits?
What do you notice?
How many solutions are there to the calculations?
What clues […]
What do you notice?
To explain how the patterns of numbers arise:
Either multiply by (10 – 1) instead of multiplying by 9
or use the table below, first completing the calculations on each line.
Another TARGET game for any number of players. You want to win? So THINK MATHEMATICALLY and ESTIMATE the likely answers. When you multiply H hundreds by T tens what do you want the product of the digits H×T to be? A bit less than 10 perhaps?
You will need a set of 10 cards […]
A game for any number of players. You want to win by getting the total close to 100, so THINK MATHEMATICALLY! Concentrate on the digits in the tens column. What do you want them to add up to?
Another TARGET game for any number of players or for the whole class as a lesson starter. You want to win so THINK MATHEMATICALLY. To get near to the target of 1000 you must get the hundreds digit multiplied by the single digit number close to 10. So for those 2 digits […]
PLAY FOR FUN – THINK AND WIN – PLAY AND LEARN
The game can easily be adapted to 2-digit or 3-digit numbers or […]
For the TARGET 1000 version you divide a 4-digit number by a 1-digit number. Think about aiming for an answer near 1000, so how do you choose the thousands digit and the single number?
For the simpler TARGET […]
You will need a set of 10 cards numbered 0 to 9 or a […]
You want to win so THINK MATHEMATICALLY! You want to get the answer to the subtraction close to 1000. So make your top number about ONE THOUSAND more than the bottom number.
You will need a set […]