Number Ninja

Number Ninja

Ninja subtraction! Solve take-away problems from 10 up to 99.

About this game

• Subject: 🧮 Math
• Grades: K - 2

Academic standards

• CCSS-MATH 1.OA.C.6 Adding within 20
• CCSS-MATH 2.OA.B.2 Fluency: Adding within 20
• CCSS-MATH K.OA.A.1 Representing Addition