Composing and Decomposing Numbers Quiz

What is the value of a 'flat' in the base 10 block model?

• 1000

• 10

• 1

• 100

How many 'longs' are needed to make up the number 420?

• 4

• 42

• 40

• 10

When composing numbers with circles, what does a zero in the tens place indicate?

• There are no hundreds

• There are no tens

• There are no ones

• There are no fives

In the number 234, how many 'flats' are needed when decomposing?

• 4

• 3

• 1

• 2

What is the purpose of using a place value chart in decomposing numbers?

• To add numbers

• To multiply numbers

• To divide numbers

• To help with place value