1X5
5
10/5
/ means divided by
10/5=2
Define an array
An array lines dots/squares into a rectangle that has rows and columns to represent groups within a total. (answers vary)
2 markers left.
4 X 5
5 X4
Commutative property, product is 20
2X7
2X7=14
18/3
/ means divided by
18/3=6
/ means divided by
The product is the answer to a multiplication equation
Jamie is selling chocolate bars. She sells 10 bars for $3 a piece. Afterward, she goes shopping with the money she earns and has $6 left. How much did she spend?
She spent $24
8X4
(4x4) + (4X4)
4X5
4X5=20
24/6
Show this using a tape diagram
/ means divided by
24/4=6
/ means divided by
Define the quotient
The quotient is the answer to a division equation
12 fish left.
Perjan notices that 2X3 has the same product as 3X2, but they look different when represented by an array or model.
What property is this, and draw a pictoral model to show the Perjan's thinking.
5X10 SHOWN WITH a pictoral model
50
28/4
Show this using a tape diagram
/ means divided by
28/4=7
/ means divided by
Katlin has 6 boxes of fidgets. Each box has 4 fidgets. She gives some fidgets away, and has 10 left. How many fidgets did she give away?
She gave away 14 fidgets.
Solve this array using ______ property
Distributive Property
16X3
(10x3) + (6x3)
30+18=48
Solve 9X6 using distributive property (decomposition)
Example (5x6) + (4 X6)
Show 36/6 using the distributive (decomposition) strategy.
/ means divided by
36/6=6
Example:
(30/6) + (6/6)
5+1=6
/ means divided by
Explain how using distributive property uses decomposition as a problem solving strategy.
Answers vary, (breaking it apart makes it easier to solve for unknown large numbers using known facts.)
Max has 5 boxes gummy bears. Each box has 8 packages. Each package has 5 gummy bears. How many total gummy bears did he have?
(above the current standard)
200 gummy bears
Use ______ property to break apart 9X7
63
Example,
(5X7)+(4X7)
35+28=63