Dividing Decimals Expand on your previous knowledge of

Dividing Decimals: Expand on your previous knowledge of division to include an understanding of dividing with decimals. The action of separating into equal parts. Dividend – Divisor – Quotient What you have – Number of parts – Number in each part

Review: What’s the division problem in this model? What’s the dividend? What’s the divisor? What’s the quotient?

How would the quotient change if the dividend was 4. 2, instead of 42? 4. 2

Interesting!! 42 3 = 14 AND 4. 2 3 = 1. 4 0 1. 4 2. 8 4. 2 5. 6

The BIG question: How many 0. 2 s are there in 1 whole?

What’s the BIG question here?

There’s got to be an easier way! Do you remember that “all fractions are division problems? ” 6. 5 0. 5 is the same as 6. 5 0. 5 and 6. 5 0. 5 = 65 5

2. 24 0. 16 x 100 = x 100 224 16 Solve:

Try this one.

DISCUSS… First, I would… Next, I would… Then, I would…

The school librarian has $40 to spend on some books. She wants to order many copies of the same book. Each copy costs $2. 50. Shipping for the books will cost $5. 00. How many copies can the librarian order? DISCUSS… First, I would… Next, I would… Then, I would…

The school librarian has $40 to spend on some books. She wants to order many copies of the same book. Each copy costs $2. 50. Shipping for the books will cost $5. 00. How many copies can the librarian order?

Homework! Solve. _5_ 0. 05 _0. 6_ 0. 2 _0. 63_ 0. 7 The maximum weight of the school’s elevator is 450 kilograms. If John weighs 30 kilograms, how many boxes, each weighing 3. 5 kilograms, can John bring on the elevator without exceeding the maximum weight allowed?