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6.10 Story problems with mixed operations

Interactive practice questions

Sally and her mom were at home. Her grandma came around to visit, then her dad and brother came home together.

a

Which number sentence matches the number of people in the house?

$2-1+2$21+2

A

$2+1-2$2+12

B

$2+1+2$2+1+2

C

$1+1+2$1+1+2

D
b

How many people are in the house altogether?

Easy
1min

The following problem was being solved by Marge and Yuri.

$2$2 bags with $3$3 apples in each bag were stacked on the supermarket shelf. There were $9$9 more loose apples. How many apples are there altogether?

Medium
1min

The following problem was being solved by Bob and Valerie.

$5$5 boxes with $10$10 donuts in each box were delivered to work in the morning. $7$7 donuts were eaten over the course of the day. How many donuts are left altogether?

Medium
1min

There are $10$10 horse stables that each house $5$5 horses.

Over the last month, $3$3 new horses were brought in.

Easy
1min
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Outcomes

3.OA.8

Solve two-step word problems.

3.OA.8.a

Solve two-step word problems using the four operations. Know how to perform operations in the conventional order when there are no parentheses to specify a particular order (Order of Operations). (Limit to problems posed with whole numbers and having whole number answers.)

3.OA.8.b

Represent two-step problems using equations with a letter standing for the unknown quantity. Create accurate equations to match word problems.

3.OA.8.c

Assess the reasonableness of answers using mental computation and estimation strategies, including rounding.

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