The interactive math game contains four sets of tasks with 15 questions. Each time you play the game again, the questions change. Improve your mental math skills at subtraction tens here together with a cute giraffe. You can play this game in class but also at home.

The dog watches the numbers but the minuends are still missing. It has no clue where to find them. Can you help the dog and write all the missing numbers? The dog will be very grateful. Every time you play the game, the missing numbers will be different.

(no regrouping)

The dog watches how well you can subtract a 1-digit from a 2-digit number. For every correct answer, you will give a part of the hidden picture. If your answer is wrong, you will get another chance of course.

(regrouping)

All the things in the picture are grey and boring. Remove the greyness by solving subtraction problems up to 100 and discovering the colors behind them. This math game is good for daily skill review or homework. You can use it several times because the exercises are never the same.

The interactive worksheet contains two sets of 16 questions about missing subtrahends up to 100. There are also gaming elements that make learning with this activity fun. Use this game regularly to improve your math skills. Each time you play, you will get different questions. At the end of the game, you get a summary of the points you've scored.

These interactive worksheets about mental subtraction to 100 offer students immediate feedback about their answers. If the answer is incorrect, a computer will

delete it, and students will be able to rewrite it. Upon completion of all exercises, they receive a little prize like a jigsaw puzzle.