## Wednesday, March 11, 2015

### Math Lesson - "Addition and Subtraction Math Anchors: Aligned With Common Core"

Looking for a way to build your students’ addition and subtraction fluency? Use math anchors to develop these skills!

I have used these math anchor cards for many years. Students build math fluency by practicing their basic addition and subtraction facts.

The math anchors address 1.OA.6, and 2.OA.2 and help students develop their ability to fluently add and subtract to 20.

1.OA.6 Add and subtract within 20, demonstrating fluency for

2.OA.2 Fluently add and subtract within 20, using mental strategies.
By end of Grade 2, know from memory all sums of two one-digit
numbers.

The anchor cards are divided into seven sets. Each set contains 26 cards that focus on specific addition and subtraction skills. The seven sets focus on the following:

Set B: Subtraction to 5
Set D: Subtraction to 10
Set F: Subtraction to 20
Set G: Addition and Subtraction to 20

Answer keys are provided for each set of math anchors.

Uses of Math Anchors
Math anchors can be used to create anchor booklets that students complete in their spare time or the math anchors can be incorporated into your math center activities.

Anchor Booklets
Simply copy one set of math anchors, attach the appropriate cover and you have an activity booklet that students can work on whenever they have spare time in their day. Students can work through Set A to Set G booklets or you can assign students different booklets depending on their instructional level. Students work through the anchor booklets at their own pace. If students require manipulatives to help them answer the math questions, provide bingo chips, cube-a-links, or similar objects for them to use to determine the answers.

Math Center Activities
Each set of math anchors has a different color of border. The colors make it easier to sort the cards should they get mixed up. There are two math anchors on each page. Either copy the math anchors onto white card stock on a color copier or print each set of math anchors on a different color of card stock. The math anchors could also be printed on regular white paper and then mounted onto colored bristol board or card stock.

After you have printed the math anchors, use a paper cutter to cut each page in half. There are 26 different math anchors in each set.

Provide students with a recording template that matches their instructional need. There are four different templates included in this package. The first template requires students to simply print their name, the name of the math anchor they are working on, and the answers to the ten questions. The second template has room for the students to print each question and its corresponding answer. Students who require an extra challenge could use the third or fourth template. The third template requires students to write the corresponding math fact to each question. The fourth template encourages students to write the four math facts found in the math family of each question.

Math Center Cover Sheets
Math center cover sheets that list the individual math anchors of each set are included so that students can mark off the math anchors they have completed. Students do not need to complete the math anchors in order. They can begin with any of the 26 math anchors. There is a separate math cover sheet for each set of anchors. I make booklets out of the answer templates and place a cover on top.

An alternate use of the templates would be to cut into individual strips and students take one answer strip and one math anchor and complete. Use this option if you do not want to track the math anchors that students have completed.

Visit my blogTpT store, or Pinterest boards for more ideas and freebies for your classroom!

Until next time,