Basic Decimal Concepts4.2

Last Night’s Homework

Math Message

Look at the base 10 blocks at your table and answer the questions on your whiteboard

1 flat = ______ longs 1 flat = ______ cubes 1 long = _____cubes

If a flat is the ONE, what fraction of a flat is 1 long?

If a flat is the ONE, what fraction of a flat is 1 cube?

If a flat is the ONE, what are:

3 longs

5 longs

13 cubes

4 longs and 2 cubes

2 flats, 3 longs, 4 cubes

1 flat and 6 cubes

Use the symbols below to draw your answers or use base 10 blocks

2/10 2 and 1/10

3/100 3 and 24/100

35/100 5 and 3/10

Decimal notation – write each fraction as a decimal

3/10 4/100

6/10 2 and 8/10

27/100 7 and 59/100

4/10 3 and 2/100

Math journal p. 80

Math Boxes p. 81

Study Link 4.2 – tonight’s hw

Comparing numbers

Explain the difference between .09 and .009 on math journal p. 80. Write the answer on your white board