Recipe RoverBalancers · linear equations

Follows a recipe card of flasks: using formulas and solving for a variable.

Solving Formulas for a Variable

Using formulas and solving for a variable. In MathBound, the free Algebra I adventure game, Recipe Rover asks these problems, and the only way past is to solve them.

Part of Solving Linear Equations: chapter 2 of the standard course.

Play this battle free

10 questions, no sign-up, nothing saved. Climbs from the basics to harder questions.

What you will practice

Evaluate Formulas. Evaluate a basic formula given the values of all other variables.
Solve for a Variable. Solve a literal equation or formula for a specific variable using one step (multiplication/division).

Worked examples

Made by the game’s own question engine. Try each one, then open its steps.

Example 1 · Evaluate Formulas

Find

r

if

d = 76

and

t = 2,

using

d = r t .

$74$
$152$
$78$
$38$

Show the worked steps

$Substitute:$ $76 = r \cdot 2 .$
$Divide$ $by$ $2 : r = 38 .$

Answer: $38$

Example 2 · Solve for a Variable

Solve

V = B h

for

h,

then

find

h

when

V = 48

and

B = 8 .

$40$
$56$
$384$
$6$

Show the worked steps

$h = \frac{V}{B} .$
$h = \frac{48}{8} = 6 .$

Answer: $6$

Example 3 · Evaluate Formulas

Find

V

if

l = 7, w = 4

and

h = 10,

using

V = l w h .

$280$
$38$
$28$
$21$

Show the worked steps

$V = 7 \cdot 4 \cdot 10 .$
$V = 280 .$

Answer: $280$

Where it is in your textbook

Textbook	Lessons
Standard course	2.5, 5.5
Big Ideas Math Algebra 1	1.5
Big Ideas Math Algebra 1 (2022)	1.7
Carnegie Learning Algebra I	M2 2.2, M2 4.5
CPM Core Connections Algebra	3.3.2
CPS Skyline Algebra	4.2-4.3, 5.3
enVision Algebra 1	1-4
enVision Algebra 1 (2024)	1-4
Eureka Math Algebra I (EngageNY)	1.17-1.19
Glencoe Algebra 1	2-1, 2-8, 4-3
HMH Into Algebra 1	2.3, 5.4
Holt McDougal Larson Algebra 1	1.5, 2.8
Illustrative Mathematics Algebra 1	1.6-1.8, 2.8-2.9, 2.10-2.11
Illustrative Mathematics Algebra 1 (v.360)	1.6-1.8, 2.8-2.9, 2.10-2.11
Math Nation Algebra 1 (Florida B.E.S.T.)	3.1, 5.2, 9.8
MVP Mathematics I (Integrated Math 1)	4.2, 4.3
Open Up NC Math 1 (MVP)	4.2, 4.3
OpenStax Elementary Algebra 2e	2.6
Pearson Algebra 1 Common Core	2-5
Reveal Algebra 1	2-7
SpringBoard Algebra 1	2

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