**Missouri Education Standards**. What Is Three-Digit Subtraction? We subtract to compare numbers. We are able to find the difference between numbers through subtraction. We use subtraction to find out how much more we have or how much smaller something is in comparison to another number. Read More...

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Study Guide3 Digit Subtraction

Worksheet/Answer key3 Digit Subtraction

Worksheet/Answer key3 Digit Subtraction

Worksheet/Answer key3 Digit Subtraction

MO.A. Algebraic Relationships

A.3. Use mathematical models to represent and understand quantitative relationships.

A.3.A. Use mathematical models

A.3.A.1. Model problem situations, including multiplication with objects or drawings (DOK 2; MA4 1.6)

MO.N. Number and Operations

N.3. Compute fluently and make reasonable estimates.

N.3.C. Compute problems

N.3.C.1. Apply and describe the strategy used to compute up to 3-digit addition or subtraction problems (DOK 2; MA1 32)