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About the Mathematics in This Unit
| Benchmarks/Goals | Examples |
|---|---|
| Interpret and solve addition and subtraction story problems where the result is unknown |
There are a some pennies on the table. 3 are showing heads. 4 are showing tails. How many pennies are on the table? Sam had 5 pennies. Max gave him 4 more. How many pennies does Sam have? Rosa had 8 pennies. She gave 4 to Max. How many pennies does Rosa have now? |
In our math class, students engage in math problems and activities and discuss the underlying concepts. They are asked to share their reasoning and solutions. It is important that children solve math problems accurately in ways that make sense to them. At home, encourage your child to explain his or her math thinking to you. In the coming weeks, you will receive more information about Building Numbers and Solving Story Problems as well as activities to do at home.
Table of Contents
Investigations 3 in Number, Data, and Space®, Student Activity Book
Unit 1 Building Numbers and Solving Story Problems
Unit 2 Comparing and Combining Shapes
Investigation 1
Investigation 2
Unit 3 How Many of Each? How Many in All?
- Pattern-Block Fill-In, Outline A
- Pattern-Block Counts A
- Story Problems 1
- About the Mathematics in This Unit
- Pattern-Block Fill-In, Outline B
- Pattern-Block Fill-In, Outline C
- Pattern-Block Fill-In, Outline D
- Pattern-Block Fill-In, Outline E
- Pattern-Block Counts B
- Pattern-Block Counts C
- Pattern-Block Counts D
- How Many Squares?
- Finding the Total
- Looking for Rectangles
- Ways to Make Pattern-Block Shapes
- Story Problems 2
- Different Ways to Fill, Outline A
- Different Ways to Fill, Outline B
- Shapes Inside of Shapes
- Filling with More and Fewer: Outline A
- Filling with More and Fewer: Outline B
- Filling with More and Fewer: Outline C
- Build It: Write an Equation
- Roll and Record: Subtraction
- Quick Images
Investigation 1
Investigation 2
Investigation 3
Investigation 4
Unit 4 Fish Lengths and Fraction Rugs
- 7 Peas and Carrots: How Many of Each?
- Finding the Total 2
- Build It: Write an Equation 3
- Build It: Write an Equation 4
- What's in the Bag?
- 9 Peas and Carrots: How Many of Each?
- How Many Are Under the Cup?
- 5 Balloons: Red and Blue
- 8 Fruits: How Many of Each?
- How Many Are Under the Cup? 2
- 10 Fruits: How Many of Each?
- 6 Balloons: Yellow and Green
- 8 Toys: How Many of Each?
- Fill in the Dots
Investigation 1
Investigation 2
Unit 5 Number Games and Crayon Problems
- Longer or Shorter?
- True or False?
- About the Mathematics in This Unit
- Longer or Shorter? 2
- Longer or Shorter? 2
- How Many Cubes Long?
- Measuring with Cubes
- How Long Is It?
- Measuring with Paper Clips
- Related Activities to Try at Home
- Measuring Keepers: Perch
- Measuring Keepers: Mackerel
- Measuring Keepers: Alewife
- What Time Is It?
- Fish Stories
- True or False? 2
- What Time Is It?
- More Fish Stories
- How Much Shorter?
- How Much Longer?
- Half-and-Half Pizzas
- Half-and-Half Circles
- Half-and-Half Square Rugs
- Half-and-Half Squares
- Half-and-Half Rectangle Rugs
- Half-and-Half Rectangles
- Fraction Rugs: Circles
- Fraction Rugs: Rectangles
- Fraction Rugs: Squares
- How Much Longer? How Much Shorter?
- Fourths
- How Much Longer? How Much Shorter? 2
- Identifying Halves and Fourths
Investigation 1
Investigation 2
Investigation 3
Unit 6 Would You Rather Be an Eagle or a Whale?
- Ten Crayons in All
- Twelve Crayons in All: How Many of Each?
- About the Mathematics in This Unit
- Telling Time to the Half Hour
- Give Me 10!
- Make 10 Recording Sheet
- What Is Missing?
- Crayon Puzzles
- A Crayon Puzzle about 10
- Make 10 at Home
- More Crayon Puzzles
- More Crayon Puzzles about 10
- Even More Crayon Puzzles
- One More Crayon Puzzle about 10
- Match to Make 10
- Counters in a Cup at Home
- True or False?
- True or False?
- Penny Jar Problems
- Rosa's Penny Jar
- Can You Make This Equation True?
- Sam's Penny Jar
- True or False?
- More True or False
- Story Problems about Unknown Change
- Can You Make This Equation True? 2
- Kim's Stickers
- Can You Make This Equation True? 3
- Frogs!
- Penny Jar Problems
- Story Problems 4
Investigation 1
Investigation 2
Unit 7 How Many Tens? How Many Ones?
- Gloves or Mittens?
- About the Mathematics in This Unit
- Would You Rather…?
- Do You Have a Pet at Home?
- Do You Like Broccoli or Carrots?
- Our Plan for Collecting Data
- Attendance Data
- What We Found Out
- Walk or Ride?
- Half Hours
- Related Activities to Try at Home
- Music or Gym?
- Crayons or Markers?
- Apple Picking
- Slide or Swings?
- Strawberries or Watermelon?
- Throwing Snowballs
- More Comparison Problems: Kickball or Tag?
- More Comparison Problems: Green or Yellow?
- Shark or Lion?
- Penguin or Duck?
Investigation 1
Investigation 2
Investigation 3
Unit 8 Blocks and Buildings
- How Many Hands?
- Pairs of Things
- Hands at Home
- About the Mathematics in This Unit
- How Many Fingers?
- How Many Eyes?
- How Many Toes?
- How Many Fingers? How Many People?
- How Many Cubes? How Many Towers of 10?
- How Many Dots?
- How Many Cubes? How Many Towers of 10? 2
- Subtracting Towers of 10
- How Many Fingers? How Many People? 2
- How Many Now?
- Subtracting Ten Frame Cards
- How Many Fingers? 2
Investigation 1
- A 3-D Shape Hunt
- 3-D Shape Riddles
- About the Mathematics in This Unit
- Telling Time to the Half Hour
- Can You Draw It?
- Telling Time to the Half Hour 2
- Related Activities to Try at Home
- Telling Time
- Looking for Cubes and Prisms
- Adding Tens with Cubes
- Find That Shape and More Footprints
- Comparing Cones and Cylinders
- Halves and Fourths
- Castle Shapes