Directions: Using the digits 0-9, no more than once, complete the puzzle so that the sum of each side is equivalent. Source: Joshua Nelson and Renee Owen

Read More »# Operations & Algebraic Thinking

## Domino Window

Directions: Use four of these dominoes to form a square with the same number of dots on each side. Source: Joshua Nelson

Read More »## Domino Window 1

Directions: Use four of these dominoes to form a square with the same number of dots on each side. Source: Joshua Nelson

Read More »## Make it Equal

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create a true statement. Source: Molly Rawding

Read More »## Equality 2

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

Read More »## Equality

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to create two true number sentences. You may reuse all the digits for each number sentence. Source: Robert Kaplinsky

Read More »## 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. …

Read More »## Equality

Directions: Using the digits 0-9 at most one time each, fill in the boxes below to make a true statement. Source: Graham Fletcher

Read More »## 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.

Read More »## Adding Numbers

Directions: Fill in the blanks with numbers that make the equation true. 4 + 5 = ___ – ___ Source: Nanette Johnson

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