Curated OER
Curriculum Links To Numeracy
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
CK-12 Foundation
Ck 12: Elem Math: Comparing the Values of Numbers in a Table
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare four different 3-digit numbers to answer a series of questions of the number being the largest or the smallest. The video is followed...
E-learning for Kids
E Learning for Kids: Math: Ice Cream Shop: Numbers to 999
On this interactive site students learn to read two and three digit numbers, use words to write numbers, put numbers in ascending and descending order and locate place value of digits.
CK-12 Foundation
Ck 12: Elem Math: Comparing Values of Multiple Numbers Within a Set
[Free Registration/Login may be required to access all resource tools.] The video describes how to compare 3-digit numbers to determine which is the largest number. The video is followed by practice problems to assess student...
E-learning for Kids
E Learning for Kids: Math: Inca Temple: Number: Count to 100
Inca temples are made up of lots of blocks! Visit Cava and help her count the blocks and arrange them properly. You will practice writing 2-digit numbers, putting a set of 2-digit numbers in order, and counting forwards by tens.
CK-12 Foundation
Ck 12: Elem Math: Completing the Subtraction Sentence Numbers to 100
[Free Registration/Login may be required to access all resource tools.] The video describes how to fill in a missing number in a 2-digit subtraction sentence. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: Subtraction Select the Correct Sentence
[Free Registration/Login may be required to access all resource tools.] The video shows how to use regrouping to solve a series of multi-digit subtraction problems to determine which one results in the given difference. The video is...