Writing Equations from Word Problems

The video tutorial covers writing equations from word problems, starting with simple one-step equations and progressing to more complex two-step problems. It emphasizes identifying key information and operations, using variables, and checking solutions. Examples include calculating the number of rings needed for a tournament, determining the lifespan of animals, and solving for costs and savings. The tutorial concludes with a challenging problem involving weight gain in kittens, highlighting the importance of understanding the problem's context and using appropriate mathematical operations.

What is the first step in solving a word problem?

• Write the equation

• Solve the equation

• Identify key words or information

• Identify the variable

Tags

CCSS.7.EE.B.4A

In the Taekwondo tournament example, what operation is used to find the number of rings?

• Division

• Multiplication

• Subtraction

• Addition

If a guinea pig's lifespan is 4 years and it is 8 years shorter than a Puma's lifespan, what is the Puma's lifespan?

• 4 years

• 8 years

• 16 years

• 12 years

Tags

CCSS.6.EE.B.7

How much does one motorcycle cost if six motorcycles cost the same as one SUV priced at $30,000?

• $3,000

• $5,000

• $10,000

• $6,000

Tags

CCSS.6.EE.B.7

A cup of tea has 54 milligrams less caffeine than a cup of coffee. If the tea has 66 milligrams, how much caffeine is in the coffee?

• 120 milligrams

• 100 milligrams

• 54 milligrams

• 66 milligrams

If it costs $12 to attend a golf clinic and $3 for each bucket of balls, how many buckets can you buy with $30?

• 4 buckets

• 5 buckets

• 6 buckets

• 7 buckets

Tags

CCSS.7.EE.B.4A

Mrs. Jackson earned a $500 bonus and $22 per hour. If her first week's check was $1204, how many hours did she work?

• 32 hours

• 30 hours

• 28 hours

• 34 hours

Tags

CCSS.7.EE.B.4A

What does the term 'per hour' indicate in a word problem?

• Subtraction

• Division

• Multiplication

• Addition

Tags

CCSS.6.EE.B.7

Paulo has $145 in savings and earns $36 per week. How many weeks will it take him to save $433?

• 6 weeks

• 7 weeks

• 9 weeks

• 8 weeks

Tags

CCSS.7.EE.B.4A

A kitten weighs 100 grams at birth and gains 8 grams per day. In how many days will it triple its weight?

• 25 days

• 30 days

• 40 days

• 35 days