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Operations & Algebraic Thinking

Equality 2

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to create a true number sentence with the greatest possible value. Source: Robert Kaplinsky

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Equality

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to create two true number sentences. Source: Robert Kaplinsky

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Parts Unknown Problems

Directions:  Complete the story problem and answer statement. Version 1 (Difficult) Lucy has _____ apples. She has nine _____ (more/less) than Marcus. How many apples does _____ (Lucy/Marcus) have? _____ (Lucy/Marcus) has _____ apples. Version 2 (Medium Difficulty) Lucy has _____ apples. She has nine less than Marcus. How many apples does _____ (Lucy/Marcus) have? _____ (Lucy/Marcus) has _____ apples. …

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Equality

Directions: Place any digit, 0 through 9, in the boxes below to make a true statement.  Each digit can only be used once. Source: Graham Fletcher

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Dot Card Counting

Directions: How can we figure out how many dots there are below? Source: Dan Meyer.  Additional examples can be found here using a resource provided by Melissa Canham.

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Adding Numbers

Directions: Fill in the blank with a number that makes the equation true. 4 + 5 = ___ – ____   Source: Nanette Johnson

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