COMMON CORE TOPIC VIDEOS
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4.OA.1 Interpret a multiplication equations as a comparision, eg., interpret 35=5x7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations. |
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4.OA.1 The Commutative Property |
4.OA.1 Compare numbers using bar models |
4.OA.1 See Multiplication as a comparison using number sentences |
| 4.OA.2 Solve word problems
using multiplicative comparisons. Multiply or divide to solve word
problems involving multiplicative comparison, distinguishing
multiplicative comparison from additive comparison. |
4.OA.2 Represent unknown numbers using symbols or letters |
4.OA.2 Solve multiplicative comparison word problems by using bar models |
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4.OA.2 Solve multiplicative comparison word problems by using a multiplication sentence |
4.0A.2 Solve multiplicative comparison word problems by using bar models to represent division |
4.OA.2 Solve multiplicative comparison word problmes by using a division sentence |
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4.OA.2 Solve multiplicative comparison word problems using multiplication or division |
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| 4.OA.3 Assess the reasonableness of multiplication and division answers. Learn how to check your answer to multiplication and division problems using multiple approaches |
4.OA.3 Check your answer to a multiplication problem using rounding (1) |
4.OA.3 Check your answer to a multiplication problem: using rounding (2) |
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4.OA.3 Use estimation to check reasonableness of products |
4.OA.3 Check your answer to division problem using compatible numbers |
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| 4.OA.4 Find all factor pairs for a whole number in the range of 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number is in the range 1-100 is a multiple of a given one digit number. Determine whether a given whole number in the range 1-100 is prime or composite. |
4.OA.4 Find all the factor pairs of a number using area models |
4.OA.4 Determine multiple numbers using area models |
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4.OA.4 Find all factor pairs using a rainbow factor line |
4.OA.4 Determine multiples of a number using area models |
4.OA.4 Use divisibility rules to determine if a number is a multiple of 2, 5, or 10 |
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4.OA.4 Find all factor pairs of a number using a T-chart |
4.OA.4 Determine if a number is prime or composite using area |
4.OA.4 Use divisibility rules to determine if a number is a multiple of 2, 3, or 6 |
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4.OA.4 Use divisibility rules to determine if a number is a multiple of 4 or 7 |
4.OA.4 Determine multiples of a number using a table |
4.OA.4 Find multiples by using a number line |
| 4.OA.5 Generate a number or shape pattern that follows a given rule. Identify apparent features of the pattern that were not explicit in the rule itself. For example given the rule "Add 3" and starting number 1 observe that the terms appear to alternate between odd and even numbers. Explain informally why the numbers will continue to alternate in this way. |
4.OA.5 Find the rules of a function machine using a vertical table. |
4.OA.5 Understand repeating patterns |
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4.OA.5 Find missing elements in growing patterns |
4.OA.5 Find the 9th shape for geometric pattern using a table. |
4.OA.5 Determine the rule in patterns that decrease |
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4.OA.5 Using a table to find the rule for a geometric triangle pattern |
4.OA.5 Extend a fraction pattern using a number line |
4.OA.5 Generate a pattern by using a T-Chart |
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4.0A.5 Find the missing inputs for a function machine using a vertical table |
4.NF Numbers and Fractions
| 4.NF.1 Explain why a fraction a/b is equivalent to a fraction (n x a)/ (n x b) by using a visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principale to recognize and generate equivalent fractions. |
4.NF.1 Recognize equivalent fractions using area models |
4.NF.1 Recognize equivalent fractions using a number line |
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4.NF.1 Generate equivalent fractions using area models |
4.NF.1 Generate equivalent fractions using number lines |
4.NF.1 |
| 4.NF.2 Compare two fractions with different numerators and different denominators. eq., by creating common denominators or numerators, or by comparing to a benchmark fraction such as 1/2. Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with symbols <, =, > and justify the conclusions, eq., by using a visual fraction model. |
4.NF.2 Compare fractions using the benchmark fraction 1/2 |
4.NF.2 Compare fractions using the benchmark fraction of one whole |
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4.NF.2 Compare fractions with different denominators using number line |
4.NF.2 Compare fractions with different denominators using area models |
4.NF.2 Compare fractions with different denominators using set models |
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4.NF.2 Compare fractions by creating common denominators |
4.NF.2 Use a number line to represent a fraction greater than one |
4.NF.2 Represent a fraction greater than one using area models |
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4.NF.3
Understand a fraction a/b with a >1as a sum of fractions 1/b A. Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. B. Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, eq., by using a visual fraction model. Examples: 3/8 =1/8 + 1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 = 8/8 + 1/8 C. Add and subtract mixed numbers with like denominators, e.q., by replacing each mixed number with an equivalent fraction, and /or by using properties of operations and the relationship between addition and subtraction. D. Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.q., by using visual fraction models and equations to represent the problem. |
4.NF.B3a Decompose a fraction into a sum of fractions using an area model 4.NF.B3a Add fractions with like denominators using a number line 4.NF.B3b Subtract fractions with like denominators using a number line 4.NF.B3b Subtractions fractions with like denominators using area model 4.NF.B3a Add fractions with like denominators using area model |
4.NF.B3c Add Mixed numbers using an area mode (1 of 2) 4.NF.B3c Add Mixed numbers using an area model (2 of ) 4.NF.B3c Subtract mixed numbers using a number line 4.NF.B3c Add mixed numbers using a number line 4.NF.B3c Subtract mixed numbers using a number line 4.NF.B3c Add mixed numbers by finding equivalent fractions |
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4.NF.B3d Add fractions with like denominators by decomposing into unit fractions 4.NF.B3d Subtract fractions with like denominators by decomposing 4.NF.B3d Add fractions with like denominators using a number line |
4.NF.B3d Subtract fractions with like denominators using a number line 4.NF.B3d Add fractions with like denominators using visual models 4.NF.B3d Subtract fractions with like denomintors using visual models |
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| 4.NF.4 Apply and extend previous understandings of multiplication to multiply a fraction by a whole number, solve word problems involving multiplication of a fraction by a whole number. |
4.NF.4 Represent fractions as the sum of unit fractions using pictures |
4,NF.4 Represent a fraction as the sum of unit fractions using number line 4,NF.4 Represent a fraction as the sum of unit fractions using an area model |
| 4.NF.B4a / 4.NF.B4c Understand non unit-fractions as sums of unit fractions |
4.NF.B4a Multiply fractions by whole numbers: using repeated addition |
4.NF.B4c Multiply fractions by whole numbers: using models |
| 4.NF.B4a, 4.NF.B4c Understand a fraction a/b as a multiple of 1/b and solve word problems involving multiplication of a fraction by a whole number. |
4.NF.B.4a Multiply a fraction by a whole number using visual models and repeated addition |
4.NF.B.4c Solve word problems involving multiplying a fraction by a whole number |
| 4.NF.B4.a Represent fraction as the sum of unit fractions using pictures |
4.NF.B4a Represent fraction as the sum of unit fractions using pictures |
4.NF.B4a Represent a fractions as the sum of unit fractions using a number line |
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4.NF.B4.a Represent a fraction as the sum of unit fractions using an area model |
4.NF.B4.b Estimate products in multiplication of whole numbers and fractions |
4.NF.B4.b Use a number line for multiplication of fractions and whole numbers |
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4.NF.B4.b Use a fraction model for multiplication of fractions and whole numbers |
4.NF.B4.b Use repeated addition for multiplication of fractions and whole numbers |
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| 4.NF.B4c Solve word problems involving multiplication of fractions by whole numbers |
4.NF.B4c Solve problems involving fractions and whole numbers using repeated addition |
4.NF.B4c Solve problems involving fraction and whole number using a number line |
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4.NF.B4c Solve word problems involving multiplying a fraction and a whole number |
4.NF.B4c Solve problems involving multiplying a fraction and whole number by converting a whole number into a fraction |