Two-Dimensional Shapes - First Grade 1. Name the Two-Dimensional Shape Concept: A 2D shape is a flat shape that has only length and width, no thickness. We can draw them
Estimation - First Grade What is Estimation? Concept: Estimation means making a smart guess about a number without counting exactly. It helps us find an answer that is close to
Comparing Numbers - First Grade 1. Comparing - Review Concept: Comparing means finding which number is bigger, smaller, or if they are the same. Three Comparison Symbols: > Greater Than
Subtraction Strategies - First Grade 1. Relate Addition and Subtraction Sentences Concept: Addition and subtraction are opposite operations. They are related and belong to the same fact family. Formula: If
Subtraction - First Grade Complete Guide 1. Subtraction Facts - Numbers up to 10 Concept: Learn basic subtraction by taking away numbers from 0 to 10. Formula: a - b
Subtraction Skill Builders - First Grade Subtracting 1 Rule: When you subtract 1, you go back one number. Formula: n - 1 = n - 1 10 - 1 =
➖ Understanding Subtraction - First Grade What is Subtraction? Subtraction means "taking away" or finding out "how many are left." Minuend - Subtrahend = Difference Minuend: The number you start
🎯 First Grade Addition Strategies - Complete Guide 🔢 1. Add Doubles Doubles Strategy: Adding the same number to itself! n + n = 2n (Same Number + Same Number)
📚 First Grade Addition - Complete Notes & Formulas 🎯 1. Addition Facts - Sums Up to 10 Definition: Addition means combining two or more numbers to find the total.
🚀 First Grade: Addition Skill Builders Master Adding Numbers 1-10 🎯 What are Addition Skill Builders? Addition skill builders help you become FAST and ACCURATE at adding specific numbers! 💡