Addition

Challenge

Fruit Salad

Trip Chips

Addition Meaning and Properties

Properties of Addition

Solve Using Properties of Addition

Addition Game using Properties

Using Mental Math to Add

Mental Math Addition

Rounding

Rounding

Rounding Numbers

Round to a Certain Digit

Rounding and Adding

Estimating Sums

Estimating Sums

Adding 2-Digit Numbers

Add 2-digit Numbers

Models for Adding 3-Digit Numbers

Model of 3-Digit Addition

Adding 3-Digit Numbers

Add 3-digit Numbers

Adding 3-Digits

Adding 3 or More Numbers

Adding 3 Numbers