Add Three-Digit number by Two-Digits

2.NBT.B.7

Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

Step-by-Step Videos

Add Three-Digits by multiple of ten​

Adding Three-Digit number by multiple of ten (Beginner)

Adding Three-Digit number by multiple of ten (Advanced)

Add Three-Digits by Two-Digits​

Adding Three-Digit number by Two-Digits (Beginner)

Adding Three-Digit number by Two-Digits (Advanced)

Math Fundamentals Menu

See All Math Fundamental Skills

ENTER NOW