Multi-Digit Decimal Operations
Grade 7•6 minutes•5.NBT.7
Learning Objective
I can fluently add and subtract multi-digit decimals to the hundredths place using the standard algorithm, understanding how place value helps me solve real-world problems like calculating the total cost at a store.
Practice Questions
This lesson includes 2 practice questions to reinforce learning.
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1. Sarah buys a notebook for $3.55, a pen for $1.25, and a pack of pencils for $2.79. What is the total cost of her purchase? Show your work, explaining how you lined up the numbers and why that's important.
2. Michael has a rope that is 15.75 meters long. He cuts off a piece that is 6.8 meters long. How long is the remaining piece of rope? Show your work.
Educational Video
Adding and Subtracting Decimals (How to) | Math with Mr. J
Math with Mr. J