Subtraction Surprise
Try out these calculations. Are you surprised by the results?
Try out these calculations. Are you surprised by the results?
In these addition and subtraction games, you'll need to think strategically to get closest to the target.
What can you discover about adding and subtracting sets of consecutive numbers?
By choosing to add numbers from 1-4, can you hit the target number in this game?
Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
In each of these games, you will need a little bit of luck and your knowledge of place value to develop a winning strategy.
The sum of the numbers inside an envelope is written on the outside. What could the numbers be?
In this 100 square, what is the sum of the numbers that are diagonally opposite each other?
Take three consecutive numbers and add them together. What do you notice?