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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
Illustrative Mathematics
6th grade (Illustrative Mathematics)
Unit 5: Arithmetic in base ten
Lesson 4: Adding and subtracting decimals with many non-zero digits
Lesson 4: Adding and subtracting decimals with many non-zero digits
Adding decimals: 9.087+15.31
Adding decimals: 0.822+5.65
Adding three decimals
Adding decimals: thousandths
Subtracting decimals: 9.005 - 3.6
Subtracting decimals: 39.1 - 0.794
Subtracting decimals: thousandths
