Maths / Numbers Flashcards

What is a number?: A number is a symbol used to count or show quantity. Example: 5
What are digits?: Digits are the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.
How many digits are used to write numbers?: Ten digits are used: 0 to 9.
What is the smallest counting number?: 1 is the smallest counting number.
What is the smallest whole number?: 0 is the smallest whole number.
What is the place value of 5 in 5,432?: The place value of 5 is 5,000.
What is the face value of 7 in 27,845?: The face value of 7 is 7.
Write 6,305 in expanded form.: 6,000 + 300 + 5
Which is greater: 4,567 or 4,765?: 4,765 is greater than 4,567.
What is the successor of 999?: The successor of 999 is 1,000.
What is the place value of 8 in 48,275?: The place value of 8 is 8,000.
Write 72,406 in words.: Seventy-two thousand four hundred six.
Write “Thirty-five thousand nine hundred twelve” in numerals.: 35,912
What is the expanded form of 90,508?: 90,000 + 500 + 8
What is the predecessor of 10,000?: The predecessor of 10,000 is 9,999.
What is the successor of 49,999?: The successor of 49,999 is 50,000.
Arrange these numbers in ascending order: 3,456; 3,546; 3,465.: 3,456, 3,465, 3,546
Arrange these numbers in descending order: 8,205; 8,520; 8,250.: 8,520, 8,250, 8,205
How many thousands are there in 6,000?: There are 6 thousands in 6,000.
Make the greatest 5-digit number using 2, 7, 4, 9 and 1 only once.: 97,421