math  Sums to 20  lesson
HELP
How to play The monkeys create a sum. Drag the ball with the correct answer into the hole in the tree.
Sometimes the ball with the correct answer is hidden behind another ball.
Controls: mouse
What we learn Addition and Subtraction Sums with the numbers 1 to 20
Ready for classrooms with a SMARTboard or Interactive Whiteboard
Educational math lessons for elementary school (Preschool, Kindergarten, Grades 15) online homeschool curriculum
