Neft Teacher · Vocab Explorer

Unit 8 · Standard 6.AT.8

🔑 Write and Solve Equations Using Addition or Subtraction — Vocab Explorer

Lesson 8-2 · Learn the words, then practice them

① Word Wall

Look at the picture, read the meaning, and tap 🔊 to hear each word.

Illustration of Solve One-Step Addition and Subtraction Equations: Use one inverse addition or subtraction operation to isolate the variable.
Solve One-Step Addition and Subtraction Equations

ES Resolver ecuaciones de suma y resta de un paso

Use one inverse addition or subtraction operation to isolate the variable.

Usar una operación inversa de suma o resta para aislar la variable.

Illustration of Equation: A math sentence with an equal sign showing both sides are the same.
Equation

ES Ecuación

A math sentence with an equal sign showing both sides are the same.

Una oración matemática con un signo igual que muestra que ambos lados son iguales.

Illustration of Inverse operation: Two math actions that undo each other, like × and ÷.
Inverse operation

ES Operación inversa

Two math actions that undo each other, like × and ÷.

Dos operaciones que se deshacen entre sí, como × y ÷.

Illustration of Isolate: To get the letter by itself on one side.
Isolate

ES Despejar

To get the letter by itself on one side.

Dejar la letra sola en un lado.

Illustration of Solution: A number that makes the equation or inequality true.
Solution

ES Solución

A number that makes the equation or inequality true.

Un número que hace verdadera la ecuación o desigualdad.

Illustration of One-step equation: An equation you can solve in a single step using one inverse operation.
One-step equation

ES Ecuación de un paso

An equation you can solve in a single step using one inverse operation.

Una ecuación que puedes resolver en un solo paso usando una operación inversa.

Illustration of Balance: Keeping both sides of an equation equal by doing the same thing to each side.
Balance

ES Equilibrio

Keeping both sides of an equation equal by doing the same thing to each side.

Mantener ambos lados de una ecuación iguales haciendo lo mismo a cada lado.

Illustration of Subtraction Property of Equality: Subtracting the same amount from both sides keeps an equation balanced.
Subtraction Property of Equality

ES Propiedad de sustracción de la igualdad

Subtracting the same amount from both sides keeps an equation balanced.

Restar la misma cantidad de ambos lados mantiene una ecuación equilibrada.

Illustration of Addition Property of Equality: Adding the same amount to both sides keeps an equation balanced.
Addition Property of Equality

ES Propiedad de adición de la igualdad

Adding the same amount to both sides keeps an equation balanced.

Sumar la misma cantidad a ambos lados mantiene una ecuación equilibrada.

② Match it

Tap a word, then tap its meaning.

③ Fill in the blank

Use the word bank to finish each sentence.

Word bank
Solve One-Step Addition and Subtraction EquationsEquationInverse operationIsolateSolutionOne-step equationBalanceSubtraction Property of EqualityAddition Property of Equality
  1. 1Undo an addition by the same amount from both sides.
  2. 2A math sentence with an equal sign showing two equal amounts is an .
  3. 3An operation that undoes another, like subtraction undoing addition, is an .
  4. 4To get the variable alone on one side of the equation is to it.
  5. 5The value of the variable that makes the equation true is the .
  6. 6An equation solved in a single step is a .
  7. 7Doing the same thing to both sides to keep them equal keeps the equation in .
  8. 8Subtracting the same amount from both sides uses the .
  9. 9Adding the same amount to both sides uses the .

④ Use it in a sentence

Pick one word and finish the sentence in your own words.

A is .