Curated OER
Calculate the Answer
Young scholars solve basic multiplication or addition facts using a calculator and product cards. They draw a card, read the sum or product, and press single digits on the calculator to display the number on the card.
Pennsylvania Department of Education
Seeing Doubles
Students work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Students represent the correct...
Curated OER
Number Line Math
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.
Curated OER
Making Rectangles
Pupils study rectangles. For this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
Math Slice
Math Slice: Ordering Game
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...
CK-12 Foundation
Ck 12: Elem Math: Arranging a Set of Decimals in Order of Increasing Value
[Free Registration/Login may be required to access all resource tools.] The video describes how to use place value to compare digits in order to arrange a set of decimals from least to greatest. The video is followed by practice problems...
CK-12 Foundation
Ck 12: Elem Math: Determine Which Set of Decimals Is Correctly Ordered by Value
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare decimals by looking at the value of the digits in each place value to determine the order. The video is followed by a series of...
CK-12 Foundation
Ck 12: Elem Math: Solving Decimal Word Puzzles
[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...
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
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...