Section B: Practice Problems Put Together/Take Apart Story Problems

Section Summary

Details

In this section, we solved story problems.

• We solved story problems where the total was unknown.

• Kiran has some fish in his fish tank. He has 4 red fish and 5 blue fish. How many fish does he have in all?

• We solved story problems where both parts were unknown.

• Tyler is playing Shake and Spill. He is playing with 10 counters.

• Show different combinations of red and yellow counters that Tyler could spill.

• We solved problems where the second part was unknown.

• 6 counters are outside the cup. Some of the counters are under the cup. There are 10 counters total. How many counters are under the cup?

• I can count on from 6 to 10.

• We learned that the total can come before or after the equal sign.

• is the same as

• We learned that numbers can be added in any order.

• is the same as

Problem 1 (Lesson 6)

There are 3 first graders and 6 second graders on the soccer team.
How many kids are on the soccer team?

1. Make a drawing to match the story.

2. Write an equation to match the story.

Problem 2 (Lesson 7)

Han is playing Shake and Spill.
He uses 8 counters.

1. Show 3 different ways Han’s counters could look.

red counters

yellow counters

equation

2. Pick one of your equations and describe how it matches the counters.

Problem 3 (Lesson 8)

The table shows the number of counters for Shake and Spill.
Fill in the missing numbers.

total

red

yellow

Problem 4 (Lesson 9)

1. There are 9 beads on the bracelet.
2 of them are pink and the rest are green.
How many green beads are on the bracelet?
Show your thinking using drawings, numbers, or words.
Equation:

2. There are 9 beads on the bracelet.
Some are pink and the rest are green.
How many pink and green beads could there be on the bracelet?
Show your thinking using drawings, numbers, or words.

Equation:

Problem 5 (Exploration)

Han spilled some counters on his desk and recorded whether they were red or yellow.
The table shows some of Han’s results.

1. Write a number in each empty spot in the table.

red

yellow

number of counters

2. Are there some empty spots you could fill in more than one way?
Show your thinking using drawings, numbers, or words.

Problem 6 (Exploration)

Roll 2 number cubes (labeled 0 through 5) and find the total.
Show your partner one of the number cubes and tell them the total.
Your partner figures out the number on the number cube you are hiding.

Problem 7 (Exploration)

1. Write a story with a question that could go with the picture.

2. Write an equation that matches your story.