Integers Multiplication Blocks  
Common Core Math Alignment: 7.NS.2. Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.
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50% (300 x 275) 
75% (450 x 413) 
100% (600 x 550) 
150% (900 x 825) 
200% (1200 x 1100) 
300% (1800 x 1650) 