5.1.5 Composing 3 Digit Numbers

Open Ended

Why is it important to understand how to compose 3-digit numbers?

Fill in the Blanks

Solve: 48 + 36 =

Multiple Choice

Which of the following is NOT a way to make the number 100 using base-ten blocks?

• 1 hundreds flat

• 10 tens rods

• 100 unit cubes

• 5 tens rods

Fill in the Blanks

The number 314 can be written as 300 +

+ 4.

Draw

258

Multiple Choice

Which representation of 236 uses the fewest base-ten blocks?

• 2 hundreds flats, 36 unit cubes

• 2 hundreds flats, 3 tens rod, 6 unit cubes

• 1 hundreds flat, 13 tens rods, 6 unit cubes

• 2 hundreds flats, 2 tens rods, 16 unit cubes

Multiple Choice

How can you show 495 as an expression?

• 300 + 90 + 5

• 400 + 80 + 5

• 400 + 90 + 5

• 500 + 90 + 5

Draw

397

Fill in the Blanks

I have 4 tens. I am less than 44. I have 3 ones. What number am I?