4th Grade Unit 3: Lesson 1: Addition and subtraction 4.4A Add and subtract whole numbers and decimals to the hundredths place value using the standard algorithm. 4.5A Represent multi-step problems involving the four operations with whole numbers using strip diagrams and equations with a letter standing for the unknown quantity. INCLUDES: • Unique Design and Content• Vertically Aligned Pre-Assessments• Problem-Solving & Daily Spiral Reviews• TEKS and Other State Standards based• Formative/Summati