Is It True or False?
Aligned to 1.OA.D.7 — Common Core State Standards for Mathematics.
What this lesson teaches
The equal sign means both sides are the same amount. We check if the two sides really match.
Worked example
Is 4 + 1 = 5 true? 4 + 1 = 5, and the other side is 5. They match, so it is true!
Practice questions
- True or false: 3 + 2 = 6?
- True or false: 7 = 5 + 2?
- True or false: 4 + 4 = 8?
Watch the lesson
Every lesson comes with a video taught in English and Spanish — the same video the QR code in the printed workbook opens.
▶ Watch this lessonEn español
¿Es verdadero o falso?
El signo igual quiere decir que los dos lados son la misma cantidad. Revisamos si los dos lados de verdad son iguales.
Ejemplo: ¿Es 4 + 1 = 5 verdadero? 4 + 1 = 5, y el otro lado es 5. Son iguales, ¡así que es verdadero!
More Operations & Algebraic Thinking lessons
Adding and Subtracting within 201.OA.C.6Story Problems1.OA.A.1Adding Three Numbers1.OA.A.2Add in Any Order1.OA.B.3Subtract by Thinking Addition1.OA.B.4Counting On1.OA.C.5
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