Relating addition and subtraction and playing the game BUMP; counting down. Relating addition and subtraction and playing the game BUMP; Working with numbers, starting with a number and counting down ...

All the Latest Game Footage and Images from Calculation Castle: Greco’s Ghostly Challenge “Subtraction” Calculation Castle: Greco’s Ghostly Challenge “Subtraction” is a game that lets players enjoy ...

Mental maths is when you do calculations in your head instead of writing them down. Sometimes, it's just as quick to do calculations in your head as it is to write down every step. You can add and ...

Your child continues to use tape diagrams as a visual tool to solve word problems. Your child continues to use tape diagrams as a visual tool to solve word problems. Now, he solves for an unknown in ...