7th Grade Math

Front

What is the first step in solving the equation 5b - 6 = 24?

Back

Add 6 to both sides.

Tags

CCSS.7.EE.B.4A

Front

What is the formula for the circumference of a circle?

Back

C = πd, where C is the circumference and d is the diameter.

Tags

CCSS.7.G.B.4

Front

How do you find the circumference of a circle with a diameter of 14 inches?

Back

Use the formula C = πd. For d = 14, C ≈ 43.96 inches.

Tags

CCSS.7.G.B.4

Front

What is the solution to the inequality 3x - 2 ≥ 34?

Back

x ≥ 12.

Tags

CCSS.7.EE.B.4B

Front

How do you write an algebraic equation for the situation: Joan found 51 seashells and has 45 left after giving some to Alyssa?

Back

The equation is 51 - x = 45, where x is the number of seashells given to Alyssa.

Front

What does it mean to isolate a variable in an equation?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Tags

CCSS.7.EE.B.4A

Front

What is the value of π (pi) to two decimal places?

Back

π is approximately 3.14.

Tags

CCSS.HSG.GMD.A.1

Front

What is the relationship between diameter and radius in a circle?

Back

The diameter is twice the length of the radius (d = 2r).

Tags

CCSS.7.G.B.4

Front

How do you solve the equation 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8, then divide by 2 to find x = 4.

Tags

CCSS.7.EE.B.4A

Front

What is the process of checking your solution in an equation?

Back

Substituting the solution back into the original equation to verify that both sides are equal.

Tags

CCSS.8.EE.C.7B