MATH TO TRY TOGETHER

Help your child add across zero on a thermometer

Start at -3 and climb 5 steps: you land on 2.

Try it with your child

Draw a thermometer or number line and mark -3. Move up 5 equal steps, counting through zero to land on 2. Ask your child to show why -3 + 5 = 2.

Liran is LIRANTIS's animated guide. We're developing a math games app for grades 1-7.

The app isn't live yet. No payment now.