Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting With Grouped Pictures

For Students 1st - 2nd
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Incorrect Subtraction

For Students 1st - 2nd
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Completing the Subtraction Sentence

For Students 1st - 2nd
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Write in Numbers

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] In this interactive media source, the video shows students how to look at a clock and write the time using digits, followed by practice problems to assess...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: How Big Is a Meter

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video compares objects to one meter and gives the height of an 8 year old child as a reference for the length of one meter. From there, students have to...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Fraction of a Whole

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video determines the fraction of a shape that is shaded and describes how to write the fraction. The video is followed by a series of practice questions to...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Completing the Addition Sentence Sums to 20

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video shows how to count backwards to determine the missing number in an addition problem. The video is followed by practice problems to assess student...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Understanding Less Than and More Than

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video describes what less than means mathematically by continually counting one less than the number provided in the example. The video is followed by a series...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: One Step Subtraction Numbers to 100 Word Problems

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video is a subtraction word problem that describes how to subtract using regrouping. The video is followed by a series of practice questions to assess student...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video shows a subtraction problem with two digit numbers. The video is followed by a series of practice questions to assess student comprehension of the concept.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Rectangle,s Squares, Circles, and Triangles in Sets

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video displays a set of figures and reviews triangles by number of sides. Then all of the triangles out of the set of figures are chosen. The video is followed...
Unit Plan
Scholastic

Scholastic: Study Jams! Math: Relate Adding, Subtracting

For Students 1st - 4th Standards
Watch a short video on the relationship between addition and subtraction then assess your knowledge with practice questions.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting by Crossing Out With Pictures

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] In this interactive media source, the video defines a timeline and shows an example of how to read a timeline to answer questions, followed by practice problems to...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Understanding More Than

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video describes what more than means mathematically by continually counting one more than the number provided in the example. The video is followed by a series...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Completing the Subtraction Sentence Numbers to 100

For Students 1st - 2nd
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Pictures Comparing Length in Meters

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video uses pictures to aide in comparing length in meters to answer a series of questions using the pictures and measurement lengths. The video is followed by a...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Measuring Length in Meters

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a ruler to measure an object in meters. The video is followed by a series of practice questions to assess student comprehension of the...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Identifying Rectangles, Squares, Circles, and Triangles

For Students 1st - 2nd Standards
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Multiple Object Length Comparison

For Students 1st - 2nd Standards
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Completing the Addition Sentence Sums to 100

For Students 1st - 2nd
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting Using Tens and Ones

For Students 1st - 2nd Standards
[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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtraction Word Problems Numbers Up to 20

For Students 1st - 2nd Standards
[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...
Activity
Teaching Treasures Publications

Teaching Treasures: Year One Timed Mental Math (Page1)

For Students Pre-K - 1st Standards
Test your computation skills using this timed interactive worksheet. Five minutes is the time limit. Answers can be checked when finished. This short activity would be suitable for a quick assessment.
Unknown Type
Math Slice

Math Slice: Time Slice Special Test

For Students 1st - 3rd Standards
A concise tool for assessing time concepts such as telling time and elapsed time using analog clocks. Assessment is scored online and scores are compared with scores of all test takers. Great for use as a quick assessment.

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