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KIN YANG ACADEMY INC. 360-A Don Placido Campus Avenue, Sabang, Dasmariñas City,
HIGH SCHOOL DEPARTMENT SY 2021- 2022 NEW NORMAL Grade 7 - Mathematics Worksheet no. 1 Sets NAME:
DATE:
DIRECTION : Answer the following the items below. 1. Identify if the given statement is a well- defined set or Not a. All the colors in the rainbow.
_NOT_
b. All honest members of the family.
c. All the consonants of the English alphabet.
d. All the consonants in the word “Sync”
e. All the prime numbers less than 100
2. Create a set using the following statements and write its cardinality. a. Set consisting of all the colors in the rainbow. Answer: Set C stands for Color. Set C = Red, Orange, Yellow, Green, Blue, Indigo, Violet Cardinality : 7, 7 elements.
b.
Set consisting of all the prime numbers between 10 and 20
Prime numbers are number divisible only by 1
and itself. Ex: 5 and 7
c.
Set consisting of all the subjects in Grade 7.
What are your Subjects?
d.
Set compose of the planets in the Solar system
e.
First 5 vegetables in the Song “Bahay Kubo”
KIN YANG ACADEMY INC. 360-A Don Placido Campus Avenue, Sabang, Dasmariñas City,
HIGH SCHOOL DEPARTMENT SY 2021- 2022 NEW NORMAL Grade 7 - Mathematics Worksheet no. 2 Universal Set and Subset
DATE:
NAME: Direction: Identify if the following item is a subset of the universal set. State the reason. 1. The Universal set is consist of odd numbers from 1-20. Set U = {1,3,5,7,9,11,13,15,17,19} a. Is Set E(even) = {2, 6, 8, 10} a subset of U? Answer: No, Reason: Because set U is consist of the odd numbers between 1-20 and set E is composed of even numbers. b. Is Set F(favorite numbers) = {7, 13, 17} a subset of Set U? Answer: Yes Reason: All elements of set F can be found on Set U. 2. With the Universal Set = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20} answer the statements below. a. Is Set T = { 3,6,9,12,15,18} a subset of the given universal set? Answer: Reason: b. Is Set E(even) = {2,4,8,14,18} a subset of the universal set? Answer: Reason: 3. With the Universal Set = {,2,4,6,8,10,12,14,16,18,20} answer the statements below. a. Is SET T = { 3,9,13,15,19} a subset of the given universal set? Answer: Reason:
b. Is Set E(even) = {2,4,8,14,18} a subset of the universal set? Answer: Reason:
KIN YANG ACADEMY INC. 360-A Don Placido Campus Avenue, Sabang, Dasmariñas City,
HIGH SCHOOL DEPARTMENT SY 2021- 2022 NEW NORMAL Grade 7 - Mathematics Worksheet no. 3 Union of set NAME:
DATE:
Direction: Given the Universal Set and the subset, Express the Union of set and construct a Venn diagram showing all elements.
1. Universal set U = { 1,2,3,4,5 6,7,8,9,10 } Set D = { 1,3,4,5,6,7 } Set G = { 1, 2, 4, 6, 8, 9 } Answer: S
T = {1,2,3,4,5,6,7,8,9}
Note: 10 not included. 2. Given the universal set, U = { a,b,c,d,e,f } Set X = { a,c,e} Set Y = { d,e,f} Answer:
3. Given the universal set, U = { 3,6,9,12,15,18,21 } Set X = { 3,9,12,15} Set Y = { 6,12,15} Answer:
KIN YANG ACADEMY INC. 360-A Don Placido Campus Avenue, Sabang, Dasmariñas City,
HIGH SCHOOL DEPARTMENT SY 2021- 2022 NEW NORMAL Grade 7 - Mathematics
Worksheet no. 4 Intersection of Sets
NAME: Direction: Answer the following items in the space provided.
DATE:
A. Using the Figure, write the intersection of the each number in the space provided.
1.
3. Answer: D ∩ G = { 1, 7, 13}
2. S
Answer:
.4 Answer:
Answer:
B. Given the universal set and other two sets, construct a Venn diagram and find the intersection on each number.
1. Universal Set, U = {21,22,23,24,25,26,27,28,29,30} Set S = {21, 22, 26, 27} Set T = {21, 23, 24, 25, 27,28 } Answer : S ∩ T = { 21, 27}
2. Universal Set, U = {a,b,c,d,e,f } Set P = {b,c,f} Set T = {a,b,f} Answer :
3. Universal Set, U = {11,12,13,14,15,16,17,18,19 } Set Q = {11,14,16,18,19} Set R = {11,12,16,19} Answer :
4. Universal Set, U = {5,10,15,20,25,30,35,40,45 } Set V = {15,30,45 } Set W = {10,20,30 } Answer :
KIN YANG ACADEMY INC. 360-A Don Placido Campus Avenue, Sabang, Dasmariñas City,
HIGH SCHOOL DEPARTMENT SY 2021- 2022 NEW NORMAL Grade 7 - Mathematics Worksheet no. 5 Difference of Sets
NAME:
DATE:
Direction: Find the Difference of the Sets for the following number by constructing a Venn Diagram. 1. Set D = { 1,3,4,5,6,7 } Set G = { 1, 2, 4, 6, 8, 9 } Answer: D – G = {3, 5, 7}
2. Set X = { b, c, e, d, f, g, h } Set Y = { a, b, d, f ,h , I } Answer: X – Y={
3. Set X = { 3,9,12,15} Set Z = { 2, 5, 6,12,15,18}
Answer:
}
4. Set J = {a, ,d, f, g, t,y } Set K = {q, w, e, r, t, y}
Answer:
5. Set J = {1,3,2, 5, 8,10 } Set K = {1, 4, 5, 6,7,10 }
Answer: J – K= {
}
Answer: J – K= {
}
6. Set J = {g, h, k, l, m, d } Set K = {e, f, g, m, o, n}
