Multiplication Strategies
Name the strategy shown below.
7 x 4 =
7 + 7 + 7 + 7 = 28
Repeated Addition
Eli bought two packs of gum and each pack had four pieces. How many pieces of gum did Eli have?
Eli had eight pieces of gum.
25
x 2
5_
50
8
32
x 5
160
14 x 6 =
6 groups of 14
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Array Model
Tia bought 6 boxes of oranges. There are 42 oranges in each box. How many oranges did Tia buy?
Tia bought 252 oranges.
72
x 3
21_
216
5 x 3 =
15
58
x 4
232
62 x 7 =
60 l 2 l Partial Products
l 7x60= 420 l 7x2= 14 l 420
7 l l l +14
l l l 434Area Model
Felix is training for a mini marathon. Each day Felix plans on running for 350 minutes. If he runs for 7 days, how many minutes will Felix run for?
Felix would run for 2,450 minutes in 7 days.
528
x 6
_,168
3,168
7 x 10 =
334
x 7
2,338
1
672
x 4
2,548
Standard Algorithm
Sylas opened a new donut shop. Each day he makes 1,249 donuts. How many donuts would Sylas make in 8 days?
Sylas would make 9,992 donuts.
2,427
x 6
14,_62
14,562
7 x 6 =
42
5,316
x 5
26,580
Solve the multiplication problem. Show two strategies.
523
x 6
3,138
plus 2 strategies
Lizzy is training for a food eating contest. Each time Lizzy trains she eats 9 jumbo bags of Blue Takis. Each jumbo bag of Blue Takis has 3,548 chips in each. How many Blue Takis chips does Lizzy eat every time she trains?
Lizzy eats 31,932 Blue Takis chips.
6,313
x 7
4_,191
44,191
9 x 9 =
81
x 7
47,789