F-10 Curriculum (V8)
F-10 Curriculum (V9)
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An interactive tool that can help students explore a number line, including points representing integers, fractions and decimals
Did you know that 6,174 is a very mysterious number? In 1949, the mathematician Dr Kaprekar from India devised a process now known as Kaprekar's operation. First, choose a four-digit number where the digits are all different. Then rearrange the digits to get the largest and smallest numbers these digits can make. Finally, ...