Topic 2 - Adding and Subtracting Whole Numbers
Topic 2-1 Using Mental Math to Add and Subtract
Topic 2-2 Estimating Sums and Differences of Whole Numbers
*Please Note: When directions do not tell what place value to estimate to, I have the students estimate to the highest consistent place value! Some of the answers below do not follow that direction!*
*Please Note: When directions do not tell what place value to estimate to, I have the students estimate to the highest consistent place value! Some of the answers below do not follow that direction!*
Topic 2-3 Problem Solving: Missing or Extra Information
Topic 2-4 Adding Whole Numbers
Topic 2-5 Subtracting Whole Numbers
Topic 2-6 Subtracting Across Zeros
Topic 2-7 Draw a Picture and Write an Equation
Topic 2 Test Review