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Основно съдържание

STANDARDS

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US-OK

Math

Oklahoma Math

Fourth Grade (4): Numbers & Operations (N)

4.N.1

Compare and represent whole numbers up to 1,000,000 with an emphasis on place value and equality.

4.N.1.1

Read, write, discuss, and represent whole numbers up to 1,000,000. Representations may include numerals, words, pictures, number lines, and manipulatives.

4.N.1.2

Use place value to describe whole numbers between 1,000 and 1,000,000 in terms of millions, hundred thousands, ten thousands, thousands, hundreds, tens, and ones with written, standard, and expanded forms.

4.N.1.3

Applying knowledge of place value, use mental strategies (no written computations) to multiply or divide a number by 10, 100 and 1,000.

4.N.1.4

Use place value to compare and order whole numbers up to 1,000,000, using comparative language, numbers, and symbols.

4.N.2

Solve real-world and mathematical problems using multiplication and division.

4.N.2.1

Demonstrate fluency with multiplication and division facts with factors up to 12.

4.N.2.2

Multiply 3-digit by 1-digit and 2-digit by 2-digit whole numbers, using various strategies, including but not limited to standard algorithms.

4.N.2.3

Estimate products of 3-digit by 1-digit and 2-digit by 2-digit whole number factors using a variety of strategies (e.g., rounding, front end estimation, adjusting, compatible numbers) to assess the reasonableness of results. Explore larger numbers using technology to investigate patterns.

4.N.2.4

Apply and analyze models to solve multi-step problems requiring the use of addition, subtraction, and multiplication of multi- digit whole numbers. Use various strategies, including the relationship between operations, the use of appropriate technology, and the context of the problem to assess the reasonableness of results.

4.N.2.5

Use strategies and algorithms (e.g., mental strategies, standard algorithms, partial quotients, repeated subtraction, the commutative, associative, and distributive properties) based on knowledge of place value, equality, and properties of operations to divide a 3-digit dividend by a 1-digit whole number divisor, with and without remainders.

4.N.3

Represent and compare fractions and decimals in real-world and mathematical situations; use place value to understand decimal quantities.

4.N.3.1

Represent and rename equivalent fractions using fraction models (e.g., parts of a set, area models, fraction strips, number lines).

4.N.3.2

Use benchmark fractions (0, 1/4, 1/3, 1/2, 2/3, 3/4, 1) to locate additional fractions with denominators up to twelfths on a number line.

4.N.3.3

Use models to order and compare whole numbers and fractions less than and greater than one, using comparative language and symbols.

4.N.3.4

Decompose a fraction into a sum of fractions with the same denominator in more than one way, using concrete and pictorial models and recording results with numerical representations (e.g., 3/4 = 1/4+1/4+1/4 and 3/4 = 2/4+1/4).

4.N.3.5

Use models to add and subtract fractions with like denominators.

4.N.3.6

Represent tenths and hundredths with concrete and pictorial models, making connections between fractions and decimals.

4.N.3.7

Read and write decimals in standard, word, and expanded form up to at least the hundredths place in a variety of contexts, including money.

4.N.3.8

Compare and order decimals and whole numbers using place value and various models including but not limited to grids, number lines, and base 10 blocks.

4.N.3.9

Compare and order benchmark fractions (0, 1/4, 1/3, 2/3, 3/4, 1) and decimals (0, 0.25, 0.50, 0.75, 1.00) in a variety of representations.
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4.N.4

Determine the value of bills and coins in order to solve monetary transactions.

4.N.4.1

Select the fewest number of coins for a given amount of money up to one dollar.
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4.N.4.2

Given a total cost (dollars and coins up to twenty dollars) and amount paid (dollars and coins up to twenty dollars), find the change required in a variety of ways.