6.NS.B.3: Multi-digit decimals

Also written as 6.NS.3

Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm for each operation.

In plain words: Students add, subtract, multiply, and divide multi-digit decimals with the standard algorithm for each operation.

Quick picks

GoblinsExample problem
Add:
Assign problem on Goblins →
GoblinsTeach it with
Where did ten days go?6th grade · Decimals · 2 min
Common mistake
Lining up the last digits instead of the decimal points: 4.75 + 3 written as 4.78 instead of 7.75.
Builds on
5.NBT.B.6Whole-number division5.NBT.B.7Decimal operations to hundredths
Leads to
7.NS.A.3Rational number word problems7.EE.B.3Multi-step number problems
Example Problems
Add:
Add:
Add:
Khan Academy Resources
Multiplying decimals like 0.847x3.54 (standard algorithm)Dividing decimals: thousandthsAdding & subtracting decimals word problemsDivide whole numbers to get a decimalAdding decimals: thousandthsDividing decimals: hundredthsDecimal multiplication place valueSubtracting decimals: thousandthsAdding & subtracting decimals word problemDividing by a multi-digit decimalAdding three decimalsSubtracting decimals: 9.005 - 3.6Subtracting decimals: 39.1 - 0.794Long division with decimalsDecimal multiplication place valueDividing a whole number by a decimalAdding decimals word problemDividing decimals completelyDividing decimals with hundredthsMultiplying challenging decimalsDividing whole numbers to get a decimalAdding decimals: 0.822+5.65Dividing a decimal by a whole numberAdding decimals: 9.087+15.31
Goblins

1-on-1 tutoring aligned to 6.NS.B.3. Instant help for students, real-time insights for teachers.

Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.

Free for teachers, forever →