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25 Cards in this Set
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It is very important that you know the order of the place values. Name them in order, from millions to ten thousandths. 
M HTh TTh Th H T O . T(th) H (th) Th(th) TTh(th) 


How many thousands are there in 345 000? 
345 thousands 
Look at the digits from the thousands place leftwards. 

In 739 156, the digit 1 stands for .... 
100 Or 1 hundred 


2500 = _______ + 500 
2000 


In 593 326, the digit 5 stands for: (1) 500 (2) 5000 (3) 50 000 (4) 500 000 
(4) 500 000 


The digit 5 in 21.567 is in the ________ place. (1) ones (2) tens (3) oneth (4) tenth 
(4) tenth 
All place values to the right of the decimal point has "th" behind them. But that being said, there is NO such thing as "oneth". The place value immediately after the decimal point is "tenth" because it is actually out of ten. E.g. 0.3 = 3/10. 1 decimal place means that the denominator has only 1 zero, i.e. 10. 

The digit 6 in 165 329 is in the _________ place. Its value is _________. 
Ten thousands 60 000 


40 + 5 = 4 _____ + 5 ones 
Tens 
40 = 4 x 10 The number 10 is 1 tens. 

8 + 40 + 4 000 + 81 000 + 600 000 = 
685 048 


In 850 000, there are (A) ___________ hundreds (B) ___________ thousands and (C) ___________ ten thousands 
(A) 8500 (B) 850 (C) 85 
Look at the respective place values leftwards. 

The value of the digit 8 in 7 823 561 is 
800 000 
When we say "value", it's the digit in its place value, in numerals. When we say "place" or "place value", it's "ones", "tens", "hundreds", etc. 

Arrange the following numbers in ascending order. 1122, 3587, 1211, 1021, 2758 
1021, 1122, 1211, 2758, 3587 
Compare the numbers from left to right. 

What is 97 352 more than 75 hundreds? 
104 852 
75 hundreds = 7500 97 352 + 7 500 = 104 852 

Form the largest 4digit number with the digits: 4, 0, 9, 2 
9420 


53 768 in words is 
Fiftythree thousand, seven hundred and sixtyeight. 
Remember your comas between the place values. Remember your hyphen when you spell out the numbers. 

608.029 may be written as 600 + 
8.029 


Round off 145.6203 to the nearest whole number. 
146 
Look for the whole number right before the decimal point. That is the number to be rounded off. Then, look at the digit on its right to determine whether to round up or down. 

Round off 145.6203 to the nearest tenth. 
145.6 
Look for the digit in the tenth place. That is the number to be rounded off.Then, look at the digit on its right to determine whether to round up or down. 

Round off 145.6203 to the nearest hundreds. 
100 
Look for the digit in the hundreds place. That is the number to be rounded off.Then, look at the digit on its right to determine whether to round up or down. 

Round off 145.6203 to 2 decimal places. 
145.62 
Look for the digit at the 2nd decimal place, i.e. 2. That is the number to be rounded off.Then, look at the digit on its right to determine whether to round up or down. 

Round off 145.6203 to 3 decimal places. 
145.620 
Look for the digit at the 3rd decimal place, i.e. 0. That is the number to be rounded off.Then, look at the digit on its right to determine whether to round up or down. In this case, even if the number in the 3rd decimal place is a zero, we still need to write it out because the question specifically asked for 3 decimal places. But in other cases, we don't write out the last zero in the decimal. 

Round off 145.6203 to 1 decimal place. 
145.6 
Look for the digit at the 1st decimal place, i.e. 6. That is the number to be rounded off.Then, look at the digit on its right to determine whether to round up or down. 

Round off 145.6203 to the nearest tens. 
150 
Look for the digit in the tens place, i.e. 4. That is the number to be rounded off.Then, look at the digit on its right to determine whether to round up or down. 

Round off 145.6203 to the nearest hundredth. 
145.62 
Look for the digit in the hundredth place. That is the number to be rounded off.Then, look at the digit on its right to determine whether to round up or down. 

In 460 381, the value represented by the digit 4 is _____ times that of the value represented by the digit 8? 
5 000 
Value of the digit 4 = 400 000 Value of the digit 8 = 80 400 000 / 80 = 5 000 