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EnVision Math Topic 4: Lesson 4-3 *Use after 4-1, before 4-2 and 4-4 Division Properties and Rules 2010-11. Rocket Math. Rocket Math Partners. Rachel and Anjoline Amy and Kenya Lyndsay and Aliyah Drew and Tim Emma and Sydney Anthony and Michael
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EnVision Math Topic 4: Lesson 4-3 *Use after 4-1, before 4-2 and 4-4 Division Properties and Rules 2010-11
Rocket Math Partners Rachel and Anjoline Amy and Kenya Lyndsay and Aliyah Drew and Tim Emma and Sydney Anthony and Michael Gia and Haylee Myles and Jadon Noelle and Mackenzie Fitz and Shimell
Topic 4: division 8 lollipops 24 ÷ 3 =
4 shelves 20 ÷ 5 = each, equal , per
dividend divisor quotient divisor divisor quotient dividend quotient dividend
identity property 1 x 47 385 x 1 Any number x 1 equals that number.
zero property 86 x 0 0 x 4,582 Any number x 0 equals 0.
commutative property 4 x 7 = 7 x 4 54 x 2 = 2 x 54 You can multiply numbers in any order and still get the same answer.
Start with 10 cubes. Separate your 10 cubes into 10 equal groups. How many cubes are in each group? 10 ÷ 10 = 1
Start with 6 cubes. Separate your 6 cubes into groups of 6. How many groups of 6 can you make? 6 ÷ 6 = 1
10 ÷ 10 = 1 6 ÷ 6 = 1 Any number divided by itself equals 1.
Start with 10 cubes. Separate your 10 cubes into 1 equal group. How many cubes are in each group? 10 ÷ 1 = 10
Start with 6 cubes. Separate your 6 cubes into groups of 1. How many groups of 1 can you make? 6 ÷ 1 = 6
10 ÷ 1 = 10 6 ÷ 1 = 6 Any number divided by 1 equals that number.
Start with 0 cubes. Separate your 0 cubes into 10 equal groups. How many cubes are in each group? 0 ÷ 10 = 0
Start with 0 cubes. Separate your 0 cubes into groups of 6. How many groups of 6 can you make? 0 ÷ 6 = 0
0 ÷ 10 = 0 0 ÷ 6 = 0 0 divided by any number equals 0.
Start with 10 cubes. Separate your 10 cubes into 0 equal groups. How many cubes are in each group?
Start with 6 cubes. Separate your 6 cubes into groups of 0. How many groups of 0 can you make?
10 ÷ 0 6 ÷ 0 You cannot divide any number by 0!
that number 36 ÷ 1 = 36 529 ÷ 1 = 529 1 42 ÷ 42 = 1 237 ÷ 237 = 1 0 0 ÷ 56 = 0 0 ÷ 778 = 0 0 8 ÷ 0 66 ÷ 0
= 7 ÷ 7 5 ÷ 5 < 0 ÷ 5 3 ÷ 1
> 4 ÷ 1 4 ÷ 4 > 6 ÷ 6 0 ÷ 4
> 9 ÷ 1 4 ÷ 1 < 3 ÷ 3 6 ÷ 1
= 0 ÷ 3 0 ÷ 8 < 0 ÷ 5 5 ÷ 5
> 7 ÷ 1 0 ÷ 6 < 6 ÷ 1 8 ÷ 1
Kenneth has 22 math problems to do for homework. He has 12 problems done. How many more problems does he have left? If he completes 1 problem every minute, how many more minutes does he have to work? ________________________________________ 22 – 12 = 10 problems 10 ÷ 1 = 10 minutes