IXL - Identify equivalent linear expressions: word problems (Algebra 1 practice)

Olivia and her family went apple picking at an orchard. She filled one large basket with 8 green apples to make a pie. She also filled 3 small baskets with g green apples each to give to her friends as presents.

Pick all the expressions that represent how many apples Olivia picked in all.

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question

Jill, Ted, and Shivani went to a craft store to buy special beads to make friendship bracelets. Each friend plans to put s star-shaped beads on their bracelet.

Pick all of the expressions that represent how many star-shaped beads the friends should buy.

solution

You can find how many star-shaped beads the friends should buy in more than one way.

One way:
Add how many star-shaped beads each friend needs, one friend at a time.

The friends need
s
+
s
+
s
star-shaped beads. Each friend needs s star-shaped beads, and there are 3 friends.

So,

is one way to find how many star-shaped beads the friends should buy.

Another way:
Multiply the number of friends by how many star-shaped beads each friend needs.

There are 3 friends.
Each friend needs s star-shaped beads.

So,

is one way to find how many star-shaped beads the friends should buy.

Notice that the correct answers are equivalent expressions:

s
+
s
+
s
3
s

The other answer choices are not equivalent to these.

Looking for more? Try these:

Lesson: Equivalent expressions

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B.10Identify equivalent linear expressions

Lesson: Equivalent expressions

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