Interactive
ABCya

Ab Cya: Molly Adds & Subtracts From 20

For Students 1st - 2nd Standards
This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 20. The word problems are read aloud and have objects that can be used for counting. Children may need assistance from...
Activity
University of Cambridge

University of Cambridge: Nrich: 6 Beads

For Teachers K - 1st Standards
Use the diagram on this one page website to solve the problem. There are teacher notes and the solution is only a click away.
Lesson Plan
Science and Mathematics Initiative for Learning Enhancement (SMILE)

Smile: Measurement Inches

For Teachers 3rd - 5th Standards
This lesson plan for primary students gives students hands-on practice in using a ruler and understanding customary measurements, length and width in inches. Students also create simple one and two digit addition problems related to the...
Activity
University of Cambridge

University of Cambridge: Nrich: Domino Square

For Students 3rd - 8th
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
Activity
University of Cambridge

University of Cambridge: Nrich: 4 Dom

For Students 3rd - 8th Standards
On this one page website move the domino pieces around until you satisfy the rules for this challenge. This will require you to use your problem solving skills.
Interactive
ICT Games

Ict Games: Abacus

For Students K - 1st
This interactive abacus can be used for addition, subtraction, counting, and place value.
Lesson Plan
Scholastic

Scholastic: Max's Math Adventures: Max's Super Stars

For Teachers Pre-K - 1st Standards
Use this poem, teacher's guide, and various small manipulatives to make a great lesson on counting. There is a section for students to give their responses on the website.
Whiteboard
ClassFlow

Class Flow: Fact Families

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] In this activity, students use the visual cues from a fact family triangle, manipulatives and numbers to understand and apply the concepts and procedures of mathematics including addition, subtraction,...
Whiteboard
ClassFlow

Class Flow: Positive & Negative Numbers

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This flipchart contains manipulatives for creating addition and subtraction problems using positive and negative numbers. There is an example problem that teachers can use to help design their own...
Lesson Plan
Alabama Learning Exchange

Alex: A Math and Language Arts Lesson: Division

For Teachers 3rd - 5th
The instructional activity will help students develop an initial understanding of division and clarify how the four operations of addition, subtraction, multiplication, and division relate to and are separate from each other. The...
Lesson Plan
Better Lesson

Better Lesson: Quotients Just the Basics

For Teachers 3rd Standards
Just like multiplication, addition, and subtraction, division problems involve patterns and there are methodical ways in which manipulatives can be used to solve division problems with small dividends and divisors of 1 through 10.
Whiteboard
ClassFlow

Class Flow: Pre Algebra Problem Solving

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart contains manipulatives for creating addition and subtraction problems using positive and negative numbers. There is an example problem which teachers can use to help design their own...
Whiteboard
ClassFlow

Class Flow: Elementary Word Problems

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] This elementary flipchart gives examples of addition and subtraction word problems. Students use the manipulatives to solve the problems.