CK-12 Foundation
Ck 12: Elem Math: Selecting the Incorrect Subtraction Sentence Numbers Up to 20
[Free Registration/Login may be required to access all resource tools.] The video shows how to find the correct number sentence for a given subtraction description. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Selecting the Related Subtraction Facts
[Free Registration/Login may be required to access all resource tools.] The video describes the parts of a subtraction problem and explains why subtraction facts are related. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: One Step Addition Sums to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit addition word problem. The video is followed by a series of practice questions to assess student comprehension of the...
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Addition and Subtraction Ii Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a word problem with addition and subtraction. The video is followed by a series of practice questions to assess student comprehension of...
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Subtraction and Addition Ii Word Problems
[Free Registration/Login may be required to access all resource tools.] a The video shows how to work backwards using addition and subtraction to determine the start value of a given situation. The video is followed by a series of...
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Selecting the Correct Sentence
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers to determine which number sentence matches the correct solution. The video is followed by a series of...
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Selecting the Incorrect Sentence
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three digit numbers with two operations in a number sentence to determine which number sentence does not match the correct...
CK-12 Foundation
Ck 12: Elem Math: Multiplication Sentences Ii: Numbers 2, 3, 4, 5, and 10
[Free Registration/Login may be required to access all resource tools.] The video shows how to use a multiplication symbol of (x) to write a multiplication sentence and solve. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 2
[Free Registration/Login may be required to access all resource tools.] The PLIX interactive media allows students to manipulate straws into glasses to understand the concept of multiplying by twos, followed by a video that connects...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 4
[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by four. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 10
[Free Registration/Login may be required to access all resource tools.] The video connects multiplication to repeated addition with multiplying by 10. The video is followed by a series of practice questions to assess student...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 7
[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by seven. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 8
[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by eight. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 9
[Free Registration/Login may be required to access all resource tools.] The video explains the connection from multiplication to repeated addition with multiplying by eight. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 11
[Free Registration/Login may be required to access all resource tools.] The video describes how to multiply by 11 using repeated addition. The video is followed by a series of practice questions to assess student comprehension of the...
CK-12 Foundation
Ck 12: Elem Math: Identifying Values of Digits
[Free Registration/Login may be required to access all resource tools.] The video reviews place value and shows how to determine the value of each digit in a number. The video is followed by a series of practice questions to assess...
CK-12 Foundation
Ck 12: Elem Math: Decomposing Decimals Into Place Values to Thousandths
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which digit is in the thousandths place value by breaking down every digit in the number according to the place value. The video...
CK-12 Foundation
Ck 12: Elem Math: Determine Which Set of Decimals Is Correctly Ordered by Value
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare decimals by looking at the value of the digits in each place value to determine the order. The video is followed by a series of...
CK-12 Foundation
Ck 12: Elem Math: Rounding to the Nearest Whole Number
[Free Registration/Login may be required to access all resource tools.] The video describes the process of rounding a decimal to the nearest whole number and gives an example. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Round to the Nearest 2 Decimal Places or the Hundredths Place
[Free Registration/Login may be required to access all resource tools.] The video explains an example of rounding a number to the nearest hundredth. The video is followed by a series of practice questions to assess student comprehension...
CK-12 Foundation
Ck 12: Elem Math: Determining Beginning Ending and Elapsed Time Using Two Clocks
[Free Registration/Login may be required to access all resource tools.] The video describes hot to find the time on two different clocks and compare the two times to find the elapsed time. The video is followed by a series of practice...
CK-12 Foundation
Ck 12: Elem Math: Elapsed Time Without Clocks Word Problems
[Free Registration/Login may be required to access all resource tools.] The video describes how to find elapsed time from a word problem. The video is followed by a series of practice questions to assess student comprehension of the...
CK-12 Foundation
Ck 12: Elem Math: Filling in the Blanks With Am or Pm Given Time Clues
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine if a time is am or pm based on the situation provided. The video is followed by a series of practice questions to assess student...
CK-12 Foundation
Ck 12: Elem Math: Matching Equivalent 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which shapes are similar by looking at the attributes of the given shapes. The video is followed by a series of practice...