1. How many connecting cubes are there?

   

2. How many connecting cubes are there?

   

3. Which collection is easier to count? Why?

1. How many connecting cubes are there?
   Show your thinking using drawings, numbers, or words.

   

2. How many connecting cubes are there?
   Show your thinking using drawings, numbers, or words.

   

3. How are the numbers alike? How are they different?

Circle 3 representations of 63.

Show the number of connecting cubes in as many ways as you can.

Write the number that matches each representation.

1.  

   

2.  

   

3.  

   

4. \(6 + 10\)

Find the number that makes each equation true.
Show your thinking using drawings, numbers, or words.

1. \(30 + 50 = \boxed{\phantom{\frac{aaai}{aaai}}}\)
2. \(61 + 10 = \boxed{\phantom{\frac{aaai}{aaai}}}\)
3. \(14 + 30 = \boxed{\phantom{\frac{aaai}{aaai}}}\)

Find the value of each expression.

1. \(63 + 10\)

2. \(63 - 10\)

3. \(19 + 10\)

4. \(19 - 10\)

5. What patterns do you notice?

Tyler drew 57.

What do you think of Tyler's representation?

How many connecting cubes can there be in the image?