1.NBT.C.5 Games
CCSS.MATH.CONTENT.1.NBT.C.5
:"Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used."
These games can help students practice this Common Core State Standards skill.
Games
Addition Demolition
Game
Addition Demolition
Kids sharpen mental addition skills with this silly construction math game.
1st Grade
Math
Game
Multiples of 10 Game Show
Game
Multiples of 10 Game Show
Kids practice adding and taking away 10 in this silly game show.
1st Grade
Math
Game
Ski Racer: Two-Digit Addition and Finding 10 More
Game
Ski Racer: Two-Digit Addition and Finding 10 More
Practice addition to 100 using multiples of 10! This game highlights two-digit addition math.
1st Grade
Math
Game
Ski Racer: Subtract by Multiples of 10
Game
Ski Racer: Subtract by Multiples of 10
Kids race down the mountain by correctly subtracting multiples of 10 from two-digit numbers.
1st Grade
Math
Game
