Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.
Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.
Code | Description |
MAFS.2.OA.2.2: | Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers. |
Access Point Number | Access Point Title |
MAFS.2.OA.2.AP.2a: | Fluently add and subtract within 10. |
Name | Description |
Number Facts Bingo: | This Flash applet generates number fact questions for the game of Bingo. Each of the six levels focuses on a different range of number facts (addition, subtraction, and multiplication), which are displayed one at a time in a variety of question formats. The applet is intended for use in a class/group setting with a projector or interactive whiteboard. Downloadable cards for each level are available from the menu page. At any time in a game the "number facts so far" feature will reveal all the questions presented in the current round to facilitate review or verification of a winning board. |
Practicing Logic with addition and subtraction: | Students are to guess two numbers based on their sum and difference: The sum of 2 numbers is 15 and their difference is 1. What are the 2 numbers? |
Name | Description |
Fluency for Subtraction Within 20: | Students are asked to solve six subtraction within 20 problems and to explain their strategies for solving each problem. |
Fluency for Addition Within 20: | Students are asked to solve six addition within 20 problems and to explain their strategies for solving each problem. |
Fluency with Basic Addition Facts: | Students are assessed on their fluency with addition facts within 20. |
Addition Facts from Memory: | Students are assessed on a set of basic addition facts within 20. |
Name | Description |
Video: Differentiating in Math Using Computer Games: | This video show a teacher using a variety of tools and software programs to help the students have a better understanding of math. By incorporating technology in the classroom, the teacher can spend time with students who struggle to understand the concept while others can continue to pass levels in the games to move on to the next concept. |
Name | Description |
Give A Cheer MEA!: | The Give A Cheer Yearbook Committee needs the students' assistance to determine the best company to purchase the school yearbooks. Students will need to consider the cost , shipping, tax, and delivery time in their decision. Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom. |
Show It Another Way: | In this lesson, students will apply properties of addition in order to add three whole numbers. Students will then decompose the sum using tens and ones. |
Piece of Cake Mental Math!: | In this lesson, you will find activities that you can use to enable student learning and application of mental math addition (using the make a ten strategy) without using rote memorization. |
Name | Description |
Fact of the Day: | This article proposes a structured set of lively, brief, daily exercises designed to help children master number facts and mental math skills. Each day's practice focuses on a small, highly focused, manageable, and strategically selected set of facts or skills that builds directly on the previous days' learning. Related resources (Practice and videos) are cataloged separately. |
Title | Description |
Practicing Logic with addition and subtraction: | Students are to guess two numbers based on their sum and difference: The sum of 2 numbers is 15 and their difference is 1. What are the 2 numbers? |
Title | Description |
Practicing Logic with addition and subtraction: | Students are to guess two numbers based on their sum and difference: The sum of 2 numbers is 15 and their difference is 1. What are the 2 numbers? |