Critical Questions for Investigations First Grade
Mathematical Thinking
Investigation 1: Exploring Materials
1 Getting Started with Materials | What do you notice about …? (CU) |
2,3,4 Exploring Materials | How do you know there are 20? (RL) |
Investigation 2: Exploring Numbers
1 The Game of Compare | Which is larger? Why? (RL) |
2,3 Introducing the Staircases and Choice Time | What number comes next? What number came before? (SP, RL) |
4 Seven Peas and Carrots | How many more peas or carrots will you need to make seven? (SP) |
5,6 Number Choices | Tell me how you recorded your solution. (CU) |
Investigation 3: Patterns
1 What Comes Next? | What comes next? How do you know? (SP, RL) |
2 Clapping Patterns | How did you record your pattern? (CU) |
3,4 Finding and Making Patterns | What makes these patterns the same or different? (CU, MC) |
5,6 What is a Pattern? | Is this a pattern? How do you know? (CU, RL) |
Investigation 4: Counting and Combining
1 Collect 15 Together | How many more do you need to make 15? (SP, RL) |
2,3 Counting and Combining | Can you predict what comes next? (RL) |
4 Eleven Fruits
Assessment | How many of each could you have? (SP) |
5 Making Predictions About a Story | What happens next? (RL) |
6 How Many In All? | How many animals were in each group? How many in all? (SP) |
Investigation 5: Data About Our Class
1 Kid Pins | How many pins do we need for…? (SP) |
2 Attendance and Other Surveys | Which has more? How much more? (SP, RL) |
3,4 Inventing Survey Representations | What are the categories? How many people in each? (SP, MC) |
5,6 How We Got To School Today
| What does your representation show? (CU, MC) |
Building Number Sense
Investigation 1: Visualizing Numbers
1 Quick Images | How many dots did you see and how do you know? (RL) |
2 Compare Dots | Which card has more dots? Which card has less dots? (SP) |
3,4 Copying Cubes | How did you count the objects? (CU) |
5,6 Number Shapes | How can you check to make sure you have counted correctly? (RL) |
7,8 Making Dot Pictures | How did you find the total number of pattern blocks? (CU, SP) |
9 How Many Dots? | How would you arrange 6 dots on a paper so it is easy to count? (CU) |
Investigation 2: Building Numbers in Different Ways
1 Twelve Cats and Dogs | How many of each do you have to equal 12? (SP) |
2 Problems About Ten | How did you solve the problem? (CU) |
3 The Game of Double Compare | Which is larger? How do you know? (RL) |
4,5 Breaking Numbers Into Two Parts | Which is larger? How do you know? (RL) |
6,7,8 Towers of 10 and Number Choices | How many more do you need to make 10? (SP, RL) |
9 Three Towers Assessment | How are you keeping track of the numbers of cubes in your towers? (CU) |
Investigation 3: Counting
1,2 The 100 Chart | How do you know what numbers are missing? (SP, RL) |
3,4 Which Holds More? | Which container holds more? How do you know? (SP, RL, MC) |
5,6,7 More Counting and Comparing | How do you know you have counted every counter? (RL) |
8 Clapping Patterns | What color cube will be next in the pattern? (RL) |
Investigation 4: Addition and Subtraction
1 Introducing Combining Situations | Is your answer going to be more or less than the separate amounts you started with? How do you know? (SP, RL) |
2 Introducing Separating Situations | Is your answer going to be less or more than the number you started with? How do you know? (SP, RL) |
3,4,5 Five-In-A-Row and Story Problems | What is the sum of 6 and 3? How do you know? (SP, RL) |
6 Dot Addition | How did you figure out this combination? Is there another way? (SP,CU) |
7,8,9 Combining and Separating | What number can we make with three 2’s? What other numbers could we make with just 2’s? (SP, RL, MC) |
10 Solving Story Problems Assessment | What is happening in this problem? Is it combining or separating? (SP,RL, MC) |
Bigger, Taller, Heavier, Smaller
Investigation 1: Weighing and Balancing
1,2 Exploring Weight | How can you tell which object is lighter or heavier? (RL, MC) |
3,4 Comparing Two Objects
| Can you predict which will be heavier or lighter? (RL, MC) |
5,6 Balancing Groups of Objects | How do you know when it is equal? (RL, MC) |
Investigation 2: Filling
1 A Cupful of Sand | How will you know when your cup is full? (RL, MC) |
2,3,4 Filling Space
| Which container will hold more? Why? (SP,RL) |
5,6,7 Comparing Containers | How are you keeping track? (CU, SP,MC) |
Investigation 3: Measuring Length
1 Longer Than, Shorter Than | How did you figure out which was the longest side? (CU, SP) |
2 Measuring with Hands and Feet | Which measurement do you think was most accurate? Why? (CU) |
3 Feet Lengths | What is your strategy for putting the objects in order? (CU, SP) |
4,5 Measuring with Cubes | What do you do when a length is not close to a number of whole cubes? (SP, CU) |
Quilt Squares and Block Towns
Investigation 1: Shapes and Patterns
1 What Shapes Do You See? | What shapes do you see? (CU) |
2 Same Shape, Different Shape | How did you keep track of the different pattern blocks when you were counting? (CU) |
3,4,5,6 Describing 2-D Shapes | How if you had a yellow hexagon, what other blocks could you trade for? (SP, CU) |
7 Three Ways to Fill an Outline Assessment | How many blocks did you use? How did you figure that out? (SP) |
8,9,10 Filling Shapes Assessment | Is that the most possible blocks you can use? How do you know? (RL) |
11,12 Sorting 2-D Shapes Assessment | Why did you put these shapes together? (RL, CU) |
13,14,15 Quilts with Squares and Triangles | Describe your pattern. (CU) |
Investigation 2: Comparing and Constructing 3-D Shapes
1,2 Describing and Comparing Shapes | How do you know you have the correct number of cubes? (RL) |
3 Block Patterns
Assessment | Was it easy or hard to find a block that…? (CU) |
4,5,6 Blocks in a Sock | How could you tell by feel which picture the block matched? (CU) |
7 What Kind of Box Is It? | What is a face of a box? (CU) |
8,9,10 Making Boxes Assessment | Which pieces did you choose to make your box? Why? (RL, CU) |
Investigation 3: Building a Block Town
1,2 Drawing Geo-blocks Assessment | Which part of the building does your drawing show? (CU) |
3,4 Planning Town | What kinds of buildings do we need? (CU, MC, SP) |
5 Building a Town Assessment | Does your plan match your building? How do you know? (SP, RL,MC) |
6,7 Giving Directions | What are the directions to get from your building to ____? (CU, MC) |
Number Games and Story Problems
Investigation 1: Number Combinations
1 Pictures of 10 | How did you remember what the picture looked like? (RL, CU) |
2,3 Number Combinations | What is another way to show…? (SP,CU) |
4,5 Total of 10 | What is one way you made ___ with your cards? (CU, RL) |
6 How Many of Each Color? Assessment | What is another combination of 10 you could make with 3 colors? (SP) |
7,8,9 Crayon Puzzles Assessment | How did you solve the puzzle? (CU) |
Investigation 2: Twos, Fives and Tens
1 How Many Hands? Assessment | How did you figure out how many hands? (CU, RL) |
2 Twos and Fours | How did you figure out how many …? (RL) |
3 Collect 25¢ Together | If I rolled a 7 what coins would I take? (SP) |
4,5 Counting and Combining | How did you find the total number of squares? (SP) |
6,7,8 Numbers to 100 | What patterns do you see? (CU) |
9 Patterns of Fives and Tens | What can you tell me about this pattern? Who has another idea? (CU) |
10,11,12 Twos, Fives, and Tens Assessment |
How many more do we need? What is another way to figure that out? How many extra? (SP, RL, CU) |
Investigation 3: Addition and Subtraction
1 Combining Situations Assessment | What is your strategy for combining? (SP, CU) |
2 Separating Situations Assessment | What is your strategy for separating? (SP, CU) |
3,4,5 Five-In-a-Row and Story Problems | How did you find that out? (RL, CU) |
6,7,8 Tens Go Fish Assessment | If I draw a 6 what card should I ask for to get 10? (SP) |
9 Combining with Unknown Change | Does your story match the equation? (CU,MC) |
10,11,12 Addition and Subtraction | What number did you start on to count by when you were combining or separating? Why? (RL,MC) |
13 Solving Story Problems Assessment | What was hard or easy for you in this unit? Why? (CU, MC) |
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First Grade Critical Questions