Chapter 10.1
Adding with Doubles Up to 1000
What You'll Learn
Recognize doubles as addition problems where both addends are the same number
Calculate sums of doubles facts quickly up to 1000
Apply near doubles strategy by adjusting one addend to create a doubles fact
Solve addition problems efficiently using doubles and near doubles patterns
What You'll Practice
1
Adding exact doubles like 250 + 250 or 400 + 400
2
Rewriting near doubles problems as doubles plus or minus one
3
Filling in missing addends in doubles equations
Why This Matters
Mastering doubles and near doubles gives you a powerful mental math strategy that makes addition faster and easier. This skill builds number sense and helps you solve everyday problems like calculating costs, measuring ingredients, or estimating quantities without a calculator.
This Unit Includes
Practice exercises
Skills
Doubles
Near Doubles
Mental Math
Addition
Number Sense
Fact Fluency
GA Curriculum Aligned
