Digits and Values
What is the value of the digit 4 in the number 3482?
400 or 4 hundreds
What term describes writing a number using numerical digits only?
Standard Form
How many hundreds blocks equal 1 thousand block?
10 hundreds
Every time a digit shifts one column to the left on a place value chart, its value becomes how many times greater?
10 times (or 10 times greater)
What term describes arranging a set of numbers from least to greatest?
Ascending order
In Canada, what do we leave between groups of three digits in numbers larger than 999 instead of a comma?
A small space
What is the mathematical word for breaking a number apart into smaller parts or values?
Decompose / decomposing
How many hundreds are in the number 2,800?
28 hundreds
When you multiply a number by 10, in which direction do the digits shift on a place value chart?
To the left
Which comparison symbol correctly completes the statement: 63 420 ____ 63 290?
> (Greater than)
What is the value of the digit 7 in the number 7428?
7000 or 7 thousands
Write 4 000 + 200 + 30 + 5 in standard form.
4235
True or False: The number 4,050 can be decomposed into 40 hundreds and 5 tens
True (since 40 hundreds = 4,000 and 5 tens = 50)
When you divide a number by 10, in which direction do the digits shift, and how does its value change?
To the right, making its value 10 times smaller.
Why is 10 200 greater than 9 990, even though 9 990 contains larger individual digits like 9?
Because 10 200 has more digits / a greater place value magnitude (ten-thousands vs. thousands)
In the town population of Cobourg (20, 500), what value does the digit 0 (in the thousands column) hold to make sure the 2 remains worth 20 000?
It has no value, but it is an important placeholder.
Write 6409 in expanded form.
6000 + 40 + 9
How many ten-thousands make up the number 430,000?
43 ten-thousands
Why is it mathematically incorrect to say "just add a zero to the end" when multiplying a number by 10?
Because adding zero to a number changes nothing, the digits actually shift places and zero acts as a placeholder.
Arrange these Ontario town populations from least to greatest: Cobourg (20 500), Collingwood (24 800), and Midland (17 800).
Midland (17 800), Cobourg (20 500), Collingwood (24 800)
If an arena has 34 825 visitors, what are the exact values of the digits 3 and 4?
30 000 and 40 000
What is the expanded form of a 4-digit number that has a thousands digit of 6, a tens digit of 4, and zeros in all other places?
6 000 + 40
Provide three different ways to rename the number 3,450 using place value columns or groups.
345 tens, 3 thousands + 45 tens, 34 hundreds + 5 tens, or 3 thousands + 4 hundreds + 5 tens
How many times greater is the value of the digit 7 in 7,000 compared to the digit 7 in 700?
10 times greater
Order the following set of four numbers in ascending order: 12 450, 31 200, 9 890, 12 800
9 890, 12 450, 12 800, 31 200