Curated OER
Kindergarten Numbers and Number Sense
Twelve math lessons take kindergartners through the process of number sense and counting. The skills range from counting to ten, filling out ten frames, indicating ordinal position of an object, and counting by fives and tens to one...
Khan Academy
Khan Academy: Compare 2 Digit Numbers 2
Practice more challenging problems comparing numbers within 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Compare 2 Digit Numbers
Practice comparing numbers (within 100) using the symbols , and =. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Comparing Values of Two Numbers
[Free Registration/Login may be required to access all resource tools.] Students practice comparing and ordering two numbers up to one hundred thousand.
CK-12 Foundation
Ck 12: Elem Math: Word Problems That Compare Values
[Free Registration/Login may be required to access all resource tools.] The video defines a comparative word problem and works through an example comparing the sum of two values.
CK-12 Foundation
Ck 12: Elem Math: Inequalities With Addition and Subtraction
[Free Registration/Login may be required to access all resource tools.] Students attempt practice problems on solving basic inequalities with addition and subtraction.