Find your own interesting facts about 2019 and calculations that have the answer 2019. For example can you find factors of 2019?
You might think of calculations like: 2 x 1009 + 1 = 2019 or […]
1 + 2018 = 2019. How many other ways can you put positive whole numbers into the boxes to make the sum correct?
Explain your answer.
Now answer the same question for the year you were born.
Can you explain it?
Does this work for very old people over the age of 99? Why or why not?
Inspired by Jain www.jainmathemagics.com
What commands would you give to make the turtle do this?
This activity will help you to start writing programs to command the robot even if you have never done anything like this before and you know nothing about coding. The LOGO language is simple to […]
What about the last digits of the powers of 3?
What patterns can you see in the last digits for the numbers in the picture?
Can you explain why all these numbers are multiples of 5?
What about […]
Will the first number be a power of 10 for any value of n?
What can you say about the values of n […]
Hint: Just look at the last digits of powers. What values do they take?
Investigate other big powers?
Make up some similar numerical expressions involving powers that have interesting properties.
What about even bigger powers
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This problem […]
How many degrees does each hand move forward in one minute? How long will it be before they are at right angles again?
Be careful, it will not be at half past three!
This problem […]
.For example if the first two terms are 2 and 5 then the next term is (1+5)/2=3 and the sequence is
2, 5, 3, 4/5, 3/5, 2, 5, … etc.