Use any method to solve the following problem:
169 x 4
676
Jenny says that 40 x 50 is 200.
What is Jenny's mistake? Use place value knowledge to explain
4 tens x 5 tens = 20 hundreds
20 hundreds is 2,000 not 200.
List the partial products for 12 x 10
20, 100
Use the area model to solve the following problem:
3,345 x 5
16,725
Use any method to solve the following problem:
256 x 3
768
The product of two factors is 4,200. One of the factors is 60. Robert says 7 is the missing factor.
What is Robert's mistake? Use place value knowledge to explain.
6 tens x 7 tens = 42 hundreds which equals 4,200.
Robert's missing factor should be 70.
List the partial products for 23 x 17
21, 30, 140, 200
Use the area model to solve the following problem:
7,653 x 7
53,571
Sergio has 4 times as many coins in his collection as Tina has in her collection. Tina has 19 coins in her collection. How many coins does Sergio have?
76 Coins
Use any method to solve the following problem:
4,846 x 419,384
Josh says the partial products of 32 x 16 are 3, 12, 20, and 180.
What is his mistake? What is the correct partial product?
He multiplied the digits in the tens place. He should have multiplied the value of the digits in the tens place.
The correct partial product is 300, not 3.
List the partial products for 85 x 31
5, 80, 150, 2,400
Use the area model to solve the following problem:
3,782 x 3
9,000+2,100+240+6
Rosie, Stella, and Tiffany are all on a bowling team. In a recent game, Stella scored twice as many points as Rosie. Tiffany scored 2 more points than Rosie. Rosie scored 70 points. What is the total number of points scored by all three women?
282 Points
Use any method to solve the following problem:
5,867 x 6
35,502
Brittany says the partial products of 14 x 27 are 28, 70, 20, and 80.
What is her mistake? What is the correct partial product?
She multiplied the value of the 1 in 14 by the digit 2 in 27 instead of the value of the 2.
The correct partial product is 200.
List the partial products for 94 x 57
28, 200, 630, 4,500
Use the area model to solve the following problem:
8345 x 3
24,000+900+120+15
Graham practiced piano for 135 minutes this morning . He practiced for 65 more minutes this afternoon . Altogether,Graham practiced 10 times longer today than he practiced yesterday . How many minutes did Graham practice piano yesterday?
20
Use any method to solve the following problem:
8,479 x 8
67,832
Ron says the following numbers are all factors of 32:
1, 4, 8, 12, 16, 30, 32.
List all of the correct factors of 32.
1, 2, 4, 8, 16, 32
List the partial products for 123 x45
4,000, 800, 500, 120, 100, 15
Use the area model to solve the following problem:
5634 x 7
35,000+4,200+210+28
Ruth and Mari sold fruit baskets for a school fundraiser.Ruth sold 42 fruit baskets. Mari sold twice as many fruitbaskets as Ruth. They sold each fruit basket for $9 . What is the total amount of money Ruth and Mari made selling fruit baskets?
$1,134