# Fun online game – working with doubles

I was cruising around this morning and came across some of my favourite games for practicing mental math strategies. Check out this cool game called dinosaur dentist… It asks kids to find the double fact that matches the number of teeth in the dinosaur’s mouth, then to subtract one tooth (the black one) to find the doubles less one fact! The pain-free dino does a dance to celebrate afterwards. Very cute!

The next game is called Woodcards. It uses the idea of partitioning to help kids see how they can apply doubles strategies to much larger numbers. The cards with the digits printed on them slide apart to help students remember they are talking about tens and ones! It pairs the numbers with abacus sets to represent the values. This is a good game for late grade 2 or grade 3.

They are part of the most amazing and conceptually grounded sets of games for developing number and operational sense in primary students. They are really fun (yes, even for me!) and the graphics are great too. Check them all out at ICT Numeracy Games. Developed by James Barrett to match the very evolved British curriculum, they are focussed on mental math strategies and help target those ideas in early learners.

Have fun!