Translate word problems to math equations.

Translate word problems to math equations.

Key Words and Phrases

Think of multiplication as repeated addition. Are they earning the same amount each time?

ex. Cereal costs $2.50 per box (2.5b)

A phone company charges $0.20 for each text message (.2m)

Trisha earns $5 allowance per week (5w)

Key Words and Phrases

Division usually comes up when people are sharing equally.

Ex. 3 friends start a business and share their profits equally:

 $\frac{p}{3}$  

Poll

What operation is indicated here: Brandon is bringing bottled water to a picnic. He is bringing 4 full cases of water.

• addition, x + 4

• multiplication, 4x

Poll

Brandon is bringing 4 full cases of water and a bag with 8 more bottles. What operation is indicated by "8 more bottles"?

• multiplication, 8x

• addition, +8

Multiple Choice

Write an equation to find the number of bottles per case: Brandon has 4 full cases of water and a bag with 8 more bottles. He has a total of 104 bottles. How many are in each case?

• 4b + 8 = 104

• 8b + 4 = 104

Poll

What would you do first to solve the equation 4b + 8 = 104

• Subtract 4 from both sides

• Subtract 8 from both sides

• Combine the 4 and the 8 to get 12b = 104

Multiple Choice

Solve the equation 4b + 8 =104 to find the number of bottles per case.

• 24 bottles

• 28 bottles

• $3\ \frac{1}{4}$ bottles

Multiple Choice

Translate: the quotient of a number and 3

• $3x$

• $\frac{x}{3}$

Multiple Choice

Translate: nine more than a number

• 9x

• x + 9

Multiple Choice

Translate: Nine more than two times a number.

• 2n + 9

• 2 ( n + 9)

• (9+2)n

Multiple Choice

Translate: Nine more than two times a number.

• 2n + 9

• 2 ( n + 9)

• (9+2)n

Multiple Choice

Translate: Nine more than two times a number.

• 2n + 9

• 2 ( n + 9)

• (9+2)n

Multiple Choice

Write an expression for: Max earns $10 allowance each week.

• 10 + w

• 10w

• $\frac{w}{10}$

Open Ended

Write some keywords for subtraction.

Open Ended

Write some keywords for addition.

Multiple Choice

What would I do on both sides to solve:

 $-4x=-36$  

• Add 4 on both sides. Addition is the inverse operation of subtraction.

• Divide on both sides by 4. Division is the inverse operation of multiplication and -4x is -4 times x.

• Divide on both sides by -4. Division is the inverse operation of multiplication and -4x is -4 times x.

Multiple Choice

What would I do on both sides to solve:

 $\frac{a}{-2}=14$  

• Add 2 on both sides. 2 and negative 2 are opposites.

• Multiply on both sides by -2. Fractions are division, and the opposite of division is multiplication.

Open Ended

What could the value of y be? Type as many as you can think of.

 $2\ge y$  

Multiple Choice

Which value satisfies the inequality:

 $-5>j$  

• -4

• -6

Poll

Right now I would rather eat: