Numberman's Pizza Party | Subtraction within 20 Game
Numberman's Pizza Party - Use your skills in subtraction within 20 to help Numberman gain strength! Select the correct answer to provide Numberman with more of the universes ultimate power source... pizza!
Common Core Standards
CCSS.MATH.CONTENT.1.OA.C.6
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).
CCSS.MATH.CONTENT.2.OA.B.2
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Related Games

Ms. Math's Time Machine | Addition Doubles Facts to 5 Game
Learn doubles facts to 5 with Ms. Math and build a solid foundation for addition facts.

Dino Eggs | Shape Attributes Game
Learn shape attributes in a prehistoric setting with Dino Eggs Quiz: Shape Attributes. Fun, interactive learning for kids!

Dino Eggs | Decomposing Numbers to 10 Game
Join the baby dinos in their thrilling quest in Dino Eggs. Help them master decomposing one-digit numbers to 10 in a fun and engaging way. Time to hatch some math skills!