3.OA.8

3.OA.8

3.OA.8 Two-step word problems

Determine and justify solutions for two-step word problems using the four operations and write an equation with a letter standing for the unknown quantity. Determine reasonableness of answers using number sense, context, mental computation, and estimation strategies including rounding. (3.OA.8)

Fill in the Blanks

Number Talk!

What is this number?

I can

I can use addition, subtraction, multiplication and division to solve all kinds of words problems and then use mental math to decide if my answers are reasonable.

Essential Question

What strategies can I use to solve two-step word problems? 

I Do

Fill in the Blanks

Amina was selling her necklaces at a garage sale. She sold five bead necklaces and two gem stone necklaces. If each necklace cost nine dollars, how much money did she earn?

Multiple Choice

Demiro and Jatavious each have 7 trading cards. Ayden has 5 fewer cards than Demiro and Jatavious combined. How many trading cards does Ayden have?

• 2

• 5

• 9

• 10

We Do

Fill in the Blanks

Daisha was unboxing some of her old winter clothes. She found six boxes of clothing and inside each box there were seven scarves and two mittens. How many pieces of winter clothing did Daisha have total?

Multiple Choice

At the town carnival Robert rode the ferris wheel five times and the bumper cars two times. If each ride cost eight tickets, how many tickets did he use?

• 56

• 40

• 10

• 63

You Do

Multiple Choice

Jakiyah had $50. Then she spent $5 each month for 4 months. At the end of 4 months, how much money did Jakiyah have?

• $20

• $30

• $45

• $59

Multiple Choice

Gabrielle sorted her marbles into 8 groups. She put 3 red marbles, 3 blue marbles, and 2 yellow marbles in each group. How many marbles did she have in all?

• 16

• 18

• 24

• 64

Exit Slip

Multiple Choice

Angel had 13 cookies. She gave 2 cookies to each of her 6 friends. How many cookies did she have left?

• 1

• 11

• 12

• 21