Fourth grade goals:

• Fluently subtract multi-digit numbers using the traditional algorithm.

When students enter fourth grade:

• • Students should be able to fluently subtract within 1,000 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

How do we teach it?

1. Concrete

2. Pictorial

3. Abstract

Vocabulary:

• • Exchange

  • Regroup

• Ones place, tens place, hundreds place, thousands place, ten-thousands place, hundred-thousands place, millions place

• Difference

Practice online:

• Soccer Math

• Fruit Shoot

• Ghost Blasters III