Resources and Tools for Elementary Math Specialists and Teachers

Common Core State Standards for Mathematics

Grade(s) 2 resources related to the following standard:
Number and Operations in Base Ten
Understand place value.
2. Count within 1000; skip-count by 5s, 10s, and 100s.

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This FAQ page from the Teacher2Teacher service at The Math Forum @ Drexel contains links to many resources offering ideas for celebrating the 100th Day of School. Resources include T2T discussions, children's literature, teacher resource books, and web sites.
Activity, Lesson Plans, Reference Materials, Community
Grade Level: K, 1, 2
0
(0 Comments)
This 51-page pdf document demonstrates the connections between the CCSS content standards and the mathematical practice standards. It is a compilation of research, standards from several states, instructional strategies, common misconceptions, and examples for each standard at the grade 2 level. It is intended to help teachers understand what each standard means in terms of what students must know and be able to do. Additional flip books are cataloged separately for grades K-1 and 3-5.
Instructional Strategy, Reference Materials
Grade Level: 2
5
(1 Comments)
This web site contains information and interactive applets related to our Hindu-Arabic number system. Users learn the history and structure of the system as well as how to count and write numbers. Users can learn and practice various algorithms for whole number computation and explore fractions, decimals and percents in our number system. The site explains various sets of numbers and how they relate to operations.
Activity, Interactive Media, Tutorial, Reference Materials
Grade Level: 1, 2, 3, 4, 5
5
(1 Comments)
This interactive Java applet helps students understand place value and regrouping. Base 10 is the default, but users may choose to work in base 2 or 5. A user places (or removes) chips of three colors in three columns to represent numbers of up to three digits. When the number of chips in any column equals the base number, the user can exchange them for a chip in the next column. Similarly a chip of a higher value can be exchanged for the base number of chips of the lower value. The applet can be used to model addition and subtraction with regrouping.
Activity, Interactive Media
Grade Level: 1, 2, 3, 4, 5, 6+
0
(0 Comments)
This intereactive Flash applet helps children learn grouping, tally marks, place value, addition, and subtraction. Students help the alien spaceship move cows into corrals by counting by 5s and 10s. They also can apply those grouping skills to practice adding and subtracting two-digit numbers with regrouping. Audio cues and prompts reinforce the user's actions and facilitate counting and the development of math language.
Activity, Interactive Media
Grade Level: K, 1, 2
4
(1 Comments)
This Flash applet is an interactive version of the classic game that develops number sense and strategic thinking. The computer generates a random secret number. The user makes guesses, taking advantage of the higher or lower clues provided, until the number is discovered. The goal is to find the secret number with as few attempts as possible. Three levels allow the user to adjust the range of possible numbers: up to 100, 500, or 1000.
Activity, Game, Interactive Media
Grade Level: K, 1, 2, 3
0
(0 Comments)
This interactive game gives students practice in counting and ordering numbers. Users try to determine the magician's secret number in as few tries as possible by adjusting their successive guesses according to feedback (too high or too low). Solvers can choose from three ranges of numbers (1 to 10, 1 to 100, or -1000 to 1000) and choose whether or not to view previous guesses.
Activity, Interactive Media
Grade Level: K, 1, 2, 3, 4, 5, 6+
0
(0 Comments)
This open-ended interactive Flash applet can be used in many ways to develop numeracy concepts and skills. It provides three highlight colors, a hide or reveal feature, and the ability to vary the start number and the increment size.
Activity, Interactive Media
Grade Level: K, 1, 2, 3, 4, 5, 6+
5
(1 Comments)
This versatile interactive applet helps students learn to skip count, practice multiplication facts, and discover number patterns. Users select the number to count by and the starting number. In Practice mode the user clicks on the respective numbers in order. In Show mode the applet displays all numbers in the chosen counting sequence immediately. In Animate mode numbers in the counting sequence are highlighted in order one at a time.
Activity, Interactive Media
Grade Level: 1, 2, 3, 4, 5
5
(1 Comments)
In this activity learners combine counting, multiples, and number patterns with jumping up and down. A skip counting number is chosen based on the grade level and everyone (a group of 4-10) takes turns saying the next number in the counting sequence. Everyone jumps whenever anyone says a number ending in 0 or any other stated value. By adding extra actions: jump on a multiple of 10 and clap your hands on a multiple of 3 allows learners to practice common multiples. Available as a web page and downloadable pdf.
Activity
Grade Level: K, 1, 2, 3, 4, 5
0
(0 Comments)