Decomposing Numbers to 10 Quiz

What is the total number of linking cubes used in the first example?

• 5

• 10

• 15

• 20

In the second example, how many yellow cubes are there?

• 5

• 4

• 6

• 7

What two numbers are used to decompose 10 in the second example?

• 8 and 2

• 7 and 3

• 6 and 4

• 5 and 5

In the final example, how many red cubes are there?

• 6

• 8

• 4

• 2

Which of the following is a valid decomposition of 10?

• 7 and 2

• 3 and 6

• 2 and 8

• 5 and 3