Applying Addition and Subtraction StrategiesBuilding Fluency with Addition and Subtraction: Global Concept Guide: 2 of 2

Content DevelopmentStudents will build fact fluency and automaticity through building their understanding of strategies. Through repeated practice using efficient methods students will eventually develop fluency.Students should NOT be given timed tests to quickly computate addition and subtraction sentences. The focus should be on practice of efficient strategies to build fluency. A KWPR Chart has been provided in the manipulatives section to be used by students to help them determine what the word problems are asking them to do.

Day 1 This day is focusing on solving addition and subtraction word

problems with the use of a part-part-whole mat. This builds on students knowledge of fact families to help support fluency as well as decoding what the problem is asking.

This day can also be used to encourage students to use an open number line to solve problems.

Under the lesson ideas section on the GCG there is a link to part-part-whole questions that could be used on instruction for this day.

Day 2 The purpose of this day is to give the students ample

opportunities to use their knowledge of place value to solve addition and subtraction word problems.

In the lesson ideas section of the GCG there is a link to word problems . These word problems may be used on this day where the focus should be heavy on the use of place value to solve problems.

Day 3/4 Days 3 and 4 should be spent exposing the students to real

world word problems where the students must select an efficient strategy to solve.

Students may combined strategies to solve more efficiently. The emphasis should be on the use of strategies, that will build fact fluency and NOT just on correct answers.

Enrich/Reteach/Intervention

Reteach-The word problems could be amended to simpler numbers to build students understanding of how the strategies work to remediate this concept.