True or False Equation Sort

1st Grade MathNumber Patterns3 pages

About this worksheet

One standard, treated thoroughly: the meaning of the equal sign. Students solve both sides of a set of equation cards, including 6 = 6, 7 = 8 - 1 and 5 + 2 = 2 + 5, copy each card into a TRUE or FALSE column on a sorting mat, then repair a false equation, turning 4 + 1 = 5 + 2 into a true one by changing the final number. The smiling balance scale at the top sets the metaphor.

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Curriculum objectives covered

1.OA.7

Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.

The card formats attack the answer-comes-next misconception from three directions, and the fix-it question asks students to produce balance rather than judge it.

What's inside this worksheet

Equation Cards

A card grid mixes formats: a bare statement (6 = 6), a result on the left (7 = 8 - 1) and an operation on both sides (5 + 2 = 2 + 5).

Sorting Mat

Two labeled boxes. TRUE is captioned 'Both sides have the same value', FALSE the opposite. Students copy every card into a column.

Fix the False Equation

The sheet explains why 4 + 1 = 5 + 2 is false (5 on one side, 7 on the other) and asks students to complete 4 + 1 = 5 + ______.

How teachers use it

Cut and sort physically

Copy the cards, cut them out, and sort into labeled trays before anyone writes. The mat then records what hands already did.

Debate 7 = 8 - 1

Put it on the board and vote. Students who call it 'backwards' are reading = as 'write the answer here', which is the exact target of this sheet.

Zero as the reveal

The fix-it answer is 0. Watch for students who insist something must be added; that is a worthwhile five-minute discussion.

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