Lesson 6.16.1 Small Group · Group 1
Group 1 · Set BSecond form · new problems, same idea
Learning target With my small group, I can use models to divide a whole number by a fraction and a fraction by a whole number — one step at a time, with support.
Remember6.1 Small Group · Group 1
Dividing by a fraction asks how many pieces fit. Write the whole number over 1, then Keep, Change, Flip, and multiply. To divide with a whole number and a fraction, write the whole number over 1. Then use Keep, Change, Flip.
Words: Dividend (Dividendo)Divisor (Divisor)Quotient (Cociente)Reciprocal (Recíproco)Unit fraction (Fracción unitaria)
-
1Complete each step, then write the final answer.
Find 4 ÷ 1/5.
Show your workHint Put a 1 under the 4. Then keep, change, flip.
Final answer:
-
2Complete each step, then write the final answer.
You have 2 cups of rice. A scoop holds 1/4 cup. How many scoops of rice do you have?
Show your workHint Find 2 ÷ 1/4. Write 2 as 2/1. Then Keep, Change, Flip.
Final answer: -
3Complete each step, then write the final answer.
A farmer has 5/6 acre of land. She splits it into 5 equal gardens. How big is each garden?
Show your workHint Find 5/6 ÷ 5. Write 5 as 5/1 first.
Final answer: -
4Complete each step, then write the final answer.
A board is 4 feet long. You cut it into pieces that are 1/6 foot long. You use 10 pieces. How many pieces are left?
Show your workHint First find how many pieces you get in all. Then take away the pieces you use.
Final answer:
Explain your thinkingWhy does 3 ÷ 1/3 give a big answer, but 2/5 ÷ 3 gives a small answer?
Sentence starter Dividing by {1/3} gives more pieces because ___. · Dividing by 3 makes each piece ___ because ___.