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Place Value is about understanding the columns and what they are called.
thousands hundreds tens ones(or units) . tenths hundredths thousandths
Also understanding how numbers can change columns when + , -, x or ÷ is used
Do power of ten on "All operations" page to reinforce the knowledge that each column is 10 x bigger or smaller than the one next to it
Learn to expand numbers using their place value columns
Example 345 is 300 + 40 +5
Know how many ones , tens or hundreds there are in any given number
230 has 23 lots of ten but only 3 tens are in the tens column, there are 20 lots of ten in the 200 part.
Wishball
Say the column names aloud as you play Try refreshing or wait as it is slow to start
Learning to use base ten rods to represent numbers
Remember the crocodile (or shark) has his mouth open to eat the most fish
2 = 2 2 <4 4>2
Two equals 2 2 is less than 4 4 is greater than 2
Level 1 - positive integers 1655 > 714
Level 2 - positive and negative decimal numbers 33 > -10
Level 3 - positive and negative fractions -3⁄5 < -3⁄2
Level 4 - metric measures
Level 5 - Matching statements to number line diagrams.
Level 6 - Solving linear inequalities.
Level 7 - Solving linear two part inequalities.
Level 8 - Matching statements to graphs.
Level 9 - Quadratic Inequalities
Expands large numbers, start on beginner with normal setting until you are ready to move on.
This is beginner
80,000 + 1,000 + 600 + 0 + 8 = 81,608
Expert level uses expanded exponential form
See how fast you can do the match up then beat that time.
Remember compare each word with the number shown
Level 1 Which digit is in ..... column
Level 2 1 more 10 more .... adding in place value columns up to 1000
Level 3 adding into place value columns up to millions
Level 4 decimal place values
Level 5 mixed whole number and decimal place values
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