FOCUS QUESTION
How
do I write numbers in the different number system?
SPECIFIC OBJS
1. Read, write and use numbers, using the principle
of place value, in the Hindu-Arabic system of numeration.
2. Identify common factors, HCF and LCM.
CONTENT SUMMARY
The full forms of H.C.F. and L.C.M. are, Highest Common factor and Least Common Multiple, respectively. The H.C.F. defines the greatest factor present in between given two or more numbers, whereas L.C.M. defines the least number which is exactly divisible by two or more numbers.
ENGAGE
Review what is meant by factors of a number and supply examples.
Is there a difference between factors and multiples?
What are multiples?
Supply some examples.
EXPLORE
Examine the worded problem below, and then try to decipher what is required of you.
There are two Grade 6 classes at Paula’s school. There are eighteen students in one class and twenty-four in the other. Each class has to divide into equal-sized groups to make teams for Sports Day.
(a) What is the largest number of students that each group will have?
(b) How many groups will there be in each class?
Think about the information that you have to work with, and then try to figure out how you can arrive at the answer. Take turns in discussing how you arrived your answers.
Here are some words to help you determine if you need to find HCF or LCM
Other Key words .
EXPLAIN
Now can you differentiate between LCM and HCF?
EXTEND/ELABORATE
Try to formulate at least 2 problems related to HCF and LCM. You may do one of each.
Share your problems with the class.
You can follow the links below to learn more about the topic and to solve other problems relating to the topic.
LCM and HCFhttps://www.youtube.com/watch?v=Ldx1BBmTsF0
EVALUATION
1. Find the greatest number that can divide 204 and
64 without leaving a remainder.
2. What is the maximum length of equal pieces that
can be cut from two lengths of wire of 74 cm and 92 cm with a piece of 2cm
remaining of each?
3. Tamara is arranging black marbles in groups of 15 and purple marbles in groups of 25. If she has the same number of black and purple marbles, what is the smallest number of marbles of each colour that she could make?
4. Riya eats at a restaurant every 5th day and Jordana eats at a restaurant every 7th day. If they both eat at the restaurant today, how many days until they will eat at the restaurant on the same day?
5.Henry takes 18 Minutes to go completely around a playfield. Sam takes 12 minutes. If both of them start at the same point, how many minutes before will they meet again at the same point?
Mrs. Brown is making party bags. She wants to make all bags exactly the alike. What is the greatest number of bags she can make?
6, Two students are stacking up blocks. Greg blocks are 4 cm high. Daniel's blocks are 9 cm. How tall will there stack be when they are the same height for the 2nd time?
7. Jack and Jill love when the school's cafeteria serves chicken nuggets and French fries on the same day. Chicken nuggets are served every 5 days and French fries are served every 3 days. If both chicken nuggets and fries are served today, when will they be served together again?
8. Peter is planning his birthday party. His mom said she would make 18 personal pizzas and 27 cupcakes for the party.
(a) How many total people can peter have at his party so that the pizzas and cupcakes are shared equally among his friends?
(b) How many pizzas and cupcakes will each person receive?
9.
No comments:
Post a Comment