A simple warm-up game using number bonds. Find all the pairs that add up to 10 as quickly as possible. Drag a pair of aliens into the beam and press 'check'. If the combination is correct, the ship will zoom off and another empty ship will appear. See also, the Alien Pairs to 5 game. Aligned to Common Core State Standard: 1.OA.1
Alien Pairs to 10
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.