CK-12 Foundation
Ck 12: Elem Math: Determining Unknown Angles in Trapezoids
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on finding the missing angles in a trapezoid.
CK-12 Foundation
Ck 12: Elem Math: Writing the Value of the Money in Each Purse
[Free Registration/Login may be required to access all resource tools.] Students practice looking at a picture of a purse and determining the total value of money in the purse.
CK-12 Foundation
Ck 12: Elem Math: Writing Prices of Items
[Free Registration/Login may be required to access all resource tools.] The video describes what the numerical value of money translates to in dollars and cents. The video is followed by additional problems for students to practice the...
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
CK-12 Foundation
Ck 12: Elem Math: Fluency in Subtraction Numbers Up to 20
[Free Registration/Login may be required to access all resource tools.] The video uses a model to demonstrate subtraction with two numbers that are less than 10.
CK-12 Foundation
Ck 12: Elem Math: Area in Grid
[Free Registration/Login may be required to access all resource tools.] The video describes how to count the area in a grid where each square on the grid is one square unit of area. The video is followed by practice problems covering the...
CK-12 Foundation
Ck 12: Elem Math: Visual Differences in Length English Units
[Free Registration/Login may be required to access all resource tools.] The video shows how to use visual objects and numeric units of measure in order to determine the longest and shortest lengths of measure. The video is followed by...
CK-12 Foundation
Ck 12: Elem Math: Conversions Between Thousands, Hundreds, Tens, and Ones
[Free Registration/Login may be required to access all resource tools.] The video describes how to convert between thousands and hundreds. The video is followed by practice problems to assess student understanding of the concept.
CK-12 Foundation
Ck 12: Elem Math: Turning Numbers Into Words Place Values to 1000
[Free Registration/Login may be required to access all resource tools.] The video describes how to change a number into the corresponding words, with a number in the thousands including a review of place value. The video is followed by...
CK-12 Foundation
Ck 12: Elem Math: Multiple Object Lengths
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a ruler and count the length of different objects. The video is followed by a series of practice questions to assess student comprehension...
CK-12 Foundation
Ck 12: Elem Math: Overview of Addition Sums to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video explains two addition problems one with regrouping and the other without regrouping.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Fractions Word Problems
[Free Registration/Login may be required to access all resource tools.] The mathematics resource includes a video and practice problems. The video is a tutorial on how to solve a subtraction word problem involving fractions with common...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Lengths in Two Steps
[Free Registration/Login may be required to access all resource tools.] The video describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics in the...
CK-12 Foundation
Ck 12: Elem Math: Adding or Subtracting Lengths in One Step
[Free Registration/Login may be required to access all resource tools.] The video describes how to add and subtract measurements of length from a given word problem. The video is followed by practice problems covering the topics in the...
CK-12 Foundation
Ck 12: Elem Math: Interpreting Costs of Items Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to write cents in a numeric value from a written word problem. The video is followed by a series of practice questions to assess student...
CK-12 Foundation
Ck 12: Elem Math: Completing the Expanded Forms of Numbers
[Free Registration/Login may be required to access all resource tools.] The video describes how to break down a number into expanded form using place value. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: More and Less Addition and Subtraction
[Free Registration/Login may be required to access all resource tools.] The video describes how to break down a subtraction statement to determine if the statement should be more or less than. The video is followed by a series of...
CK-12 Foundation
Ck 12: Elem Math: Comparing With Two Step Addition and Subtraction Word Problems
[Free Registration/Login may be required to access all resource tools.] The video is a 2 part word problem using addition and subtraction of 2-digit numbers. The video is followed by practice problems to assess student understanding of...
CK-12 Foundation
Ck 12: Elem Math: Fact Families Numbers to 100
[Free Registration/Login may be required to access all resource tools.] The video shows how to determine the missing number sentence by using fact families.
CK-12 Foundation
Ck 12: Elem Math: Subtracting With Grouped Pictures
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a model and group numbers according to a subtraction problem and count the ungrouped numbers as the solution. The video is followed by a...
CK-12 Foundation
Ck 12: Elem Math: Identifying Incorrect Subtraction
[Free Registration/Login may be required to access all resource tools.] This video describes how to find the subtraction problem that does not fit for the solution given in the question. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Completing the Subtraction Sentence
[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: Adding Three 2 Digit Numbers
[Free Registration/Login may be required to access all resource tools.] The video shows how to add 3, two-digit numbers followed by additional practice problems.
CK-12 Foundation
Ck 12: Elem Math: Overview of Subtraction Numbers to 100
[Free Registration/Login may be required to access all resource tools.] The video explains two, two-digit subtraction problems one with regrouping and the other without regrouping.
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