K.2 Numbers 1–10
Unit Goals
 Students answer “how many” questions, count out, and compare groups within 10. Students write a number to represent how many.
Section A Goals
 Connect quantities with spoken number words.
 Count and compare up to 10 objects and know the number remains the same regardless of the arrangement of the objects.
Section B Goals
 Connect quantities with spoken number words.
 Count and compare up to 10 images in organized arrangements and know the number remains the same regardless of the order in which the images are counted.
Section C Goals
 Connect quantities with spoken number words and written numbers.
 Understand the relationship between number and quantity.
Section D Goals
 Compare written numbers 1–10.
Section B: Count and Compare Groups of Images
Problem 1
How many dots are there?
Solution
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Problem 2
Are there more apples or plates?
Solution
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Problem 3
Circle the 5frame that has more dots.
Circle the group that shows fewer things.
Solution
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Problem 4
Circle the 3 groups that show more than this 5frame.
Circle the 3 groups that show fewer than this 5frame.
Solution
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Problem 5
Here is a drawing.

Draw a picture with more things.

Draw a picture with fewer things.
Solution
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Problem 6
Exploration
Make a set of cards with images.
Some cards can have the same number of images and some cards can have different numbers of images.
Trade your cards with a partner.
Turn over two cards and decide if they have the same number or if one has fewer and one has more.
Solution
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Problem 7
Exploration
Are there fewer students than chairs?
Explain how you know.
Solution
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Section C: Connect Quantities and Numbers
Problem 1
Draw a line from each number to the group of dots it matches.
Solution
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Problem 2
Here is the number 6.
Count out 6 counters.
You can use a 5frame if you want.
Solution
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Problem 3
Here is the number 8.
Draw a picture showing 8 things.
Solution
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Problem 4
What is a “how many” question you can ask about this picture?
Write a number to answer your question.
Solution
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Problem 5
Exploration
Make a shape with two handfuls of pattern blocks.
Ask a “how many” question about your shape.
Trade questions with a partner and answer your partner’s question.
Solution
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Problem 6
Exploration
Han says he sees 5.
Lin says she sees 4.
Tyler says he sees 3.
Explain or show how Han, Lin, and Tyler can all be correct.
Solution
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Section D: Compare Numbers
Problem 1
Jada put her towers and numbers in order from 1 to 10. Fill in the blanks for the missing numbers.
Solution
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Problem 2
Here is a connecting cube tower that Mai made.

Write a number to show how many cubes are in Mai’s tower.

Build a tower that shows 1 more cube than Mai’s tower.
Write a number to show how many cubes are in the new tower.

Build a tower that shows 1 less cube than Mai’s tower.
Write a number to show how many cubes are in the new tower.
Solution
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Problem 3

How many triangles are there? Write a number to show how many triangles there are.

How many squares are there? Write a number to show how many squares there are.
 Circle the group that has fewer shapes.
Solution
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Problem 4

Show 5 in as many ways as you can.

Show 7 in as many ways as you can.

Circle the number that is more.
Solution
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Problem 5
 Circle the number that is more.
 Circle the number that is less.
Solution
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Problem 6
Exploration
What are some different ways to show 6 on your fingers?
Find as many ways as you can.
How are they the same?
How are they different?
Solution
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Problem 7
Exploration
Grab a handful of connecting cubes or pattern blocks or other small objects.
Count the objects and write down a number for how many.
Are there more than 7 or less than 7?
Solution
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