Lesson 1.31.3 Small Group · Group 1
Group 1 · Set BSecond form · new problems, same idea
Learning target With my small group, I can represent a real-world situation with a tape diagram or table and use decimal operations to solve it — one step at a time, with support.
Remember1.3 Small Group · Group 1
A tape diagram shows why we divide, and a table shows how the totals grow, so the right tool makes the math clear. Pick a tool that shows the problem, like a tape diagram or a table. Then compute.
Words: representation (representación)tape diagram (diagrama de cintas)tool (herramienta)ordered pair (par ordenado)round trip (viaje de ida y vuelta)
-
1Complete each step, then write the final answer.
One boat ride takes 2.5 minutes. How many minutes do 10 rides take?
Show your workHint Scale 1 ride up to 10 rides: multiply both by 10. Each digit moves one place left.
Final answer: -
2Complete each step, then write the final answer.
One ride takes 6.5 minutes. How many minutes do 20 rides take?
Show your workHint Find 10 rides first. Then double it.
Final answer: -
3Complete each step, then write the final answer.
A printer prints 240 pages in batches of 20 pages. Each batch takes 1.5 minutes. How many minutes does it take to print all the pages?
Show your workHint Divide to find the number of batches. Then multiply by 1.5 minutes.
Final answer: -
4Complete each step, then write the final answer.
A tram must move 3,000 passengers. Each ride carries 75 passengers. One ride takes 12.5 minutes. How many minutes do all the rides take?
Show your workHint Divide to find the rides. Then multiply by 12.5 minutes.
Final answer:
Explain your thinkingWhich tool helped you more today, a tape diagram or a table? Tell what it shows.
Sentence starter A tape diagram shows ___. · A table helps me ___.