Dino Eggs | Subtracting 10 and 100 Game

Dino Eggs - Help your child to develop number sense and understand place value by subtracting 10 and 100 from three-digit numbers with Mindly's dino friends. Click on the correct answers to help the baby dinosaurs hatch!

Common Core Standards

CCSS.MATH.CONTENT.2.NBT.B.8
Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.

CCSS.MATH.CONTENT.3.NBT.2

Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.