CK-12 Foundation
Ck 12: Elem Math: Completing the Addition Sentence Sums to 100
[Free Registration/Login may be required to access all resource tools.] The video shows how to work backwards to find the missing number in a 2-digit addition problem. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Completing the Subtraction Sentence Numbers Up to 20
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a model to determine the missing number in a subtraction problem. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Conversion Word Problems English Units
[Free Registration/Login may be required to access all resource tools.] Converting yards to feet and comparing two measurements. The video is followed by practice problems to assess student understanding of the concept.
CK-12 Foundation
Ck 12: Elem Math: Converting Coins Two Units
[Free Registration/Login may be required to access all resource tools.] The video shows how to count the sum of coins combining 2 units and converting that total into another unit. The video is followed by practice problems to assess...
CK-12 Foundation
Ck 12: Elem Math: Converting Coins With Compound Units
[Free Registration/Login may be required to access all resource tools.] The video shows how to count the sum of coins combining 2 units and converting that total into another unit. The video is followed by practice problems to assess...
CK-12 Foundation
Ck 12: Elem Math: Determining the Elapsed Time in Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to determine elapsed time in a word problem. The video is followed by a series of practice questions to assess student comprehension of the concept.
CK-12 Foundation
Ck 12: Elem Math: Determining Time Changes Answering in Numerals
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine elapsed time. The video is followed by practice problems to assess student understanding of the concept.
CK-12 Foundation
Ck 12: Elem Math: Mixed Review Place Value Problems Numbers to 10000
[Free Registration/Login may be required to access all resource tools.] The video describes how to find the difference of two numbers with digits in the thousands place. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 6
[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by six. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Identifying Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] The video briefly shows and describes a triangle, circle, rectangle, and square and uses process of elimination to determine the given shape. The video is followed...
CK-12 Foundation
Ck 12: Elem Math: Predicting the Next Shape in a Sequence of 2 D and 3 D Shapes
[Free Registration/Login may be required to access all resource tools.] The video shows how to look at a pattern of 2D shapes to determine the next shape in the pattern. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Finding the Number From the Figure Patterns
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine the division pattern in a series of number to find missing numbers. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Identifying Rectangles, Squares, Circles, and Triangles
[Free Registration/Login may be required to access all resource tools.] The video discusses a brief overview of circles, rectangles, squares, and triangles and helps students determine which shape is shown and why. The video is followed...
CK-12 Foundation
Ck 12: Elem Math: Multiple Object Length Comparison
[Free Registration/Login may be required to access all resource tools.] The video calculates length of different objects and then compares the various lengths. The video is followed by a series of practice questions to assess student...
CK-12 Foundation
Ck 12: Elem Math: Completing the Addition Sentence Sums to 100
[Free Registration/Login may be required to access all resource tools.] The video describes how to fill in a missing number in an addition problem by working backwards. The video is followed by practice problems to assess student...
CK-12 Foundation
Ck 12: Elem Math: Subtracting Using Tens and Ones
[Free Registration/Login may be required to access all resource tools.] The video shows a model of how to group using tens and ones, subtract, and then count what is left using the grouping. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Subtraction Word Problems Numbers Up to 20
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction word problem with numbers less than 20 and describes how to solve the problem. The video is followed by a series of practice questions...
CK-12 Foundation
Ck 12: Elem Math: Identifying Am and Pm for Common Tasks
[Free Registration/Login may be required to access all resource tools.] The video describes how to write time in digits from words and include am or pm depending on the description. The video is followed by a series of practice questions...
CK-12 Foundation
Ck 12: Elem Math: Two Step Subtraction Numbers to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to break down a word problem into two steps to solve a subtraction problem with numbers up to 100. The video is followed by a series of practice...
University of Vienna (Austria)
University of Vienna: Elementary Properties of Numbers
Quick interactive assessment which determines skill level on fraction equivalence, prime factorization, and common divisors/multiples.
Other
Ed Informatics: Sample Elementary School Mathematics Test: Grades 3 and 4
Twenty-five multiple-choice questions over third and fourth-grade mathematics concepts. After students hit submit, they receive automatic feedback of their results.
Utah Education Network
Uen: Generating and Recording Data
This "fish" activity will help early elementary students develop skills related to categorizing, recording data, developing vocabulary, and counting. An assessment rubric is attached.
Ministerio de Educación (Spain)
Ministerio De Educacion: Conecto Con Las Mates
These are five interactive units for Elementary math. Each unit is structured in four parts: explanation, activities, dictionary and assessment.
SEDL
Sedl: Five Senses
Elementary students will gain great insight into the workings of our five senses through this collection of detailed, integrated lesson plans for grades K-3. Each lesson contains a list of needed materials, hands-on explorations...