A simple finger trick for the 11 times table is helping secondary school students aged 12 to 16 improve mental arithmetic ...
The doubling square trick is a simple mathematical shortcut designed for class 6 to 10 students to make multiplication easier ...
19 is only 1 away from 20, so you prefer to start by multiplying 20 times 5, which equals 100. Then we need to take away a squadron of 5, because there are actually only 19 squadrons, not 20. 100 take ...
To compare numbers, you need to look to see if a number is 'greater than' or 'less than' another number. You can use symbols to help you compare numbers: Small numbers are easy to count, but when ...
Dick Cheney, the former vice president to George W. Bush, has died at the age of 84.