

Number Games · Adding and subtracting
Add and Subtract
Poppy and Grandpa Fenn are climbing a glowing mountain. Every right answer lights a lantern on the path. Light thirty and you reach the top.
Pick your numbers
Pick your kind of math
Thirty right answers light thirty lanterns. A missed fact comes back later. There is no clock. Nothing is saved, and your stars and gems last until you close the page.
· Lantern
0stars
0gems
0in a row
=?

