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Unit 2 Review
Why did the students do their multiplication problems on the floor?
Multiply: 8 x 3,592
Unit 2 Review
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A math quiz!
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Answers
1
Multiply: 8 x 3,592
24,000
28,736
29,742
45,895
2
Why did the students do their multiplication problems on the floor?
The teacher told them not to use (mulitplication) tables
The students tried to take naps
IDK
The teacher didn't like desks
3
Multiply: 47 x 6
235
282
444
228
4
5,720 x 4
320,670
22,880
32,670
220,790
5
Which number sentence can be used to find the product shown by the area model?
(70+3)x(20+7)
(70+3)x(20+7)
(70+7)x(20+3)=
(70+7)x(20+3)
6
Multiply: 4 x 608
2,432
24,432
2,400
3,242
7
Which is the best estimate of the product? 34 x 58
40 x 60 = 2400
30 x 50 = 1500
30 x 60 = 1800
40 x 50 = 2000
8
Multiply: 9 x 78 =
808
702
720
880
9
Solve
$120
$41
$161
$200
10
Solve
1,734 pounds
705 pounds
2,439 pounds
2,678 pounds
11
Which products complete the pattern?
5,600 and 56,000
56,000 and 56,000
56,000 and 5,600,000
5,600 and 5,600
12
Which is the best estimate of the product 5 x 72
10 x 70 = 700
5 x 70 = 350
10 x 80 = 800
5 x 80 = 400
13
Multiply: 457 x 3
1,245
2,456
1,371
1,468
14
What is a factor?
A number you mutliply with another number to get a product
When you add two numbers
The result of a multiplication problem
An addend
15
Which is the best estimate of the product 8 x 3,935
(80 x 4000) + (8 x 900) =327,200
(8 x 3000) + (8 x 900) = 31200
(8 x 4000) + (8x 1000) =40000
(8 x 3000) + (8 x 500) = 28000
16
Multiply: 22 x 65
1,430
1,400
1,446
14,321
17
Solve:
$88
$500
$492
$490
18
What unit do you use when you find area?
Units
Feet
Meters
Square Units
19
Which number sentence can be used to find the product shown by the area model?
(8x400)+(8x30)+(8x4)
(8x400)+(3x20)+(3x8)
(8x400)+(8x20)+(8x8)
(8x400)+(8x20)+(8x3)
20
What is a product?
The answer to an addition problem
Subtraction
The sum
The result of multiplying two numbers together
21
Solve
400 pieces of candy
368 pieces of candy
7 pieces of candy
39 pieces of candy
22
What are partial products?
When you subtract from another number
The number you mutliply with
A prime number
Parts of the product in a multipilcation problem that are added together
23
Multiply 16x72=?
1,152
1,120
88
1,050
24
Multiply: 70x20=?
140
1,6001
16
1,400
25
Solve:
$1,638
$16,038
$1,548
$2,305
26
Multiply: 15 x 47
705
509
605
7,005
27
Solve
$2,301
$4,305
$1,131
$158
