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Lesson Plan
Curated OER

Number Line Math

For Teachers 2nd
Second graders use a number line to practice subtraction.  In this subtraction lesson, 2nd graders use a number line to count backwards.  Students participate in mad math activities and solve problems.
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Interactive
Math Slice

Math Slice: Ordering Game

For Students 2nd - 8th
Sequencing skills are the focus of this interactive game. You must be able to put fractions, decimals, whole numbers, and negative numbers in correct order to win and make the train move down the tracks. Immediate feedback given to...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 2nd - 8th
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Solving Decimal Word Puzzles

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] This interactive media source is practice writing decimals. Students have to understand place value for both whole numbers and decimals in order to correctly write...