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OAS 3.A.1.1 Worksheets

OAS 3.A.1.1 (Oklahoma, 3rd Grade): "Create, describe, and extend patterns involving addition, subtraction, or multiplication to solve problems in a variety of contexts." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.

Algebraic Reasoning & Algebra (A) 3.A.1 Describe and create representations of numerical and geometric patterns. 3.A.1.1Create, describe, and extend patterns involving addition, subtraction, or multiplication to solve problems in a variety of contexts.

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3.A.1.1

OAS 3.A.1.1 Worksheets - Finding the Missing Number in an Arithmetic Pattern worksheet

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Finding the Missing Number in an Arithmetic Pattern

3oa9

Identify the rule of an arithmetic pattern from the given terms.
Find a missing number anywhere in a pattern, not just at the end.
Work with patterns that increase or decrease by a constant amount.

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OAS 3.A.1.1 Worksheets - Examining a Multiplication Table worksheet

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Examining a Multiplication Table

3oa9

Use a multiplication table to find the product of two numbers.
Look for patterns across rows and columns, like skip-counting by a number.
Notice how switching the factors gives the same product (like 3×6 and 6×3).
Explain why certain products repeat or line up in the table.

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OAS 3.A.1.1 Worksheets - Determining Function Machine Rule (+ or -) (MC) worksheet

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Determining Function Machine Rule (+ or -) (MC)

3oa9

Figure out what number is being added or subtracted to turn each input into the output.
Use a few input-output examples to spot a consistent pattern and name the rule.
Check that the same rule works for every pair in the table before choosing an answer.
Tell the difference between an “add” rule and a “subtract” rule by comparing inputs and outputs.

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OAS 3.A.1.1 Worksheets - Completing Addition Place-Value Patterns worksheet

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Completing Addition Place-Value Patterns

Identify how each addend changes from ones to tens to hundreds.
Use an addition fact to complete related equations.
Explain how multiplying both addends by ten changes the sum.

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OAS 3.A.1.1 Worksheets - Completing Subtraction Place-Value Patterns worksheet

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Completing Subtraction Place-Value Patterns

Find a missing subtrahend in a subtraction equation.
Identify how each value changes from ones to tens to hundreds.
Use one subtraction relationship to complete related equations.

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OAS 3.A.1.1 Worksheets - Skip-Counting Pattern Word Problems worksheet

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Skip-Counting Pattern Word Problems

Extend a skip-counting pattern mentally.
Determine whether a target number follows a repeated-addition rule.
Explain why a number can or cannot occur in a pattern.

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OAS 3.A.1.1 Worksheets - Finding the Next Value in a Table worksheet

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Finding the Next Value in a Table

4oa5

Figure out the rule a number pattern follows
Predict the next number in a sequence
Use a pattern to continue a table of values
Read word problems to identify how numbers change

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OAS 3.A.1.1 Worksheets - Determining Function Machine Rule (+ - x) worksheet

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Determining Function Machine Rule (+ - x)

3oa9

Find the rule that turns each input number into its output number
Test whether a rule uses adding, subtracting, or multiplying
Check a rule by applying it to all the numbers in the table
Recognize patterns between pairs of numbers

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