Froggy Jumps
Numbers and Operations (Mathematics, Primary 6)Online version
Test your knowledge on the union of sets in mathematics for Primary 6!
1
What is the union of two sets?
2
If Set A = {1, 2} and Set B = {2, 3}, what is A ∪ B?
3
Which symbol represents the union of sets?
4
If Set C = {a, b} and Set D = {b, c}, what is C ∪ D?
5
What happens if two sets have no elements in common?
6
Is the union of sets commutative?
7
If Set E = {1, 4} and Set F = {4, 5}, what is E ∪ F?
8
What is the union of an empty set and a non-empty set?
9
If Set G = {x, y} and Set H = {y, z}, what is G ∪ H?
10
Can the union of two sets contain duplicate elements?
11
What does a Venn diagram visually represent?
12
In a Venn diagram, what do overlapping areas indicate?
13
How many circles are typically used in a basic Venn diagram?
14
What is the purpose of using a Venn diagram in mathematics?
15
Which of the following is NOT a component of a Venn diagram?
16
What do you call the area outside the circles in a Venn diagram?
17
In a two-set Venn diagram, what do the distinct areas of each circle represent?
18
What is an example of a real-world application of Venn diagrams?
19
What is the intersection of two sets in a Venn diagram?
20
In a three-set Venn diagram, how many regions can be formed?
21
How do you write the number 25 in words?
22
What is the word form of 102?
23
How do you express 47 in words?
24
What is the word representation of 80?
25
How do you write 150 in words?
26
What is the correct word form for 99?
27
How do you express the number 1,000 in words?
28
What is the word form of 73?
29
How do you write 500 in words?
30
What is the word representation of 1,250?
31
What is the figure for 'twenty-five'?
32
How do you write 'one hundred' in figures?
33
What is the numerical representation of 'forty-two'?
34
What is 'eighty-eight' in figures?
35
How is 'seventy' written in numbers?
36
What is the figure for 'ninety-nine'?
37
How do you express 'thirty-six' in figures?
38
What is the numerical form of 'sixty'?
39
How do you write 'fifty-four' in numbers?
40
What is 'seventeen' in figures?
41
What is the place value of 7 in the number 5,742?
42
In the number 3,256, what digit is in the hundreds place?
43
Which number has a 4 in the tens place?
44
What is the value of the digit 6 in the number 6,789?
45
How many digits are in the number 45,678?
46
What is the place value of 9 in the number 9,012?
47
In the number 8,345, what is the value of the digit 3?
48
What digit is in the thousands place in 2,468?
49
What is the place value of 5 in the number 5,432?
50
Which digit represents the largest value in 7,891?
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