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More Multiplication and Division Word Problems to Solve
Mr. Addit provides additional word problems to solve, and he gives guidance as to how to decide whether to multiply or to divide to find the answers.
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Multiplication and Division
Mr. Addit provides word problems to solve, and gives guidance as to how to decide whether to multiply or to divide to find the answer.
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Dividing Two-Digit Numbers by One-Digit Numbers
Mr. Addit demonstrates how to divide two-digit numbers by one-digit numbers by using multiplication facts.
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Multiplying Using the Partial Products Method
Mr. Addit demonstrates the partial products method of multiplication. He also models multiplying two-digit numbers by one-digit numbers.
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Review for You: Multi-Digit Multiplication
Mr. Addit reviews multiples and how to multiply 2 and 3 digits by one digit.
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Factors
Mr. Addit explains how to find factors of a number by using the multiplication facts we know.
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Dividing by 6 and 7
Mr. Addit reviews the division and multiplication facts of 6 and 7.
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Memorizing Division Facts
Mr. Addit reviews division by 1, 2, 5, and 10 and explains that division is the opposite of multiplication just as subtraction is the opposite of addition.
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Working with Division
Mr. Addit introduces the terms divisor, dividend, and quotient. He also demonstrates how to write a division problem.
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Exploring Division
Mr. Addit explains that backwards skip counting is the same thing as division, in the same way that forward skip counting is the same thing as multiplication. He then models solving some division word problems.
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Understanding Multiplication Problems
Mr. Addit reviews keywords for addition and subtraction problems and introduces keywords for multiplication problems. He also explains the four parts of a multiplication problem.
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Review for You: Solving Multiplication Word Problems
Mr. Addit reviews how to solve multiplication word problems.
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The 11 and 12 Times Tables
Mr. Addit introduces the multiplication facts of 11 and 12. He explains that memorizing all the tables from 0 through 12 takes time and practice.
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The 6 and 7 Times Tables
Mr. Addit teaches the student the multiplication facts of 6 and 7.
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The 3 and 4 Times Tables
Mr. Addit teaches the student the multiplication facts of 3 and 4.
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The 2, 5, and 10 Times Tables
Mr. Addit reviews the multiplication facts of 0, 1, 2, 5, and 10. He also reviews the zero property and the identity property.
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Comparing Sets of Expressions
"Comparing Sets of Expressions" explains how to compare sets of expressions that contain the same numbers but differing symbols by simplifying each one according to the order of operations.
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Associative Property of Multiplication
Associative Property of Multiplication explains the associative property of multiplication by determining the different possibilities of dimensions for a given volume of a rectangular prism.
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2-Digit x 3-Digit Decimals
2-Digit x 3-Digit Decimals multiplies two-digit decimal numbers by three-digit decimal numbers fluently by using the standard algorithm.
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Numerical Expressions
Written Descriptions of Expressions explores ways to author written descriptions of expressions.
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From Word to Number Form
From Word to Number Form shows how to convert mathematical expressions from word form to number form without solving by using understanding of operations.
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Associative and Distributive
Associative and Distributive solves mathematical expressions by using the associative and distributive properties.
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Order of Operations: Numbers
Order of Operations: Numbers teaches how to simplify mathematical expressions containing whole numbers using the order of operations.