Extend Multiplication Facts
Conversions
Multiplication Method
Area and Perimeter of Rectilinear shapes
Multistep Multiplication Problems
100
4 * 30=
120
100
1 L = ______ mL ; 1 kg = ______ g
1 L = 1,000 mL ; 1 kg = 1,000 g
100
Solve using the lattice method. 4 * 36 =
144
100
What is the area of the shape?
84 square feet
100
Carys has to buy some items at the store. She wants to know if her $50 is enough to purchase all of the items. Carys needs to buy 3 cases of water, each case is $7.00. She also needs to get a cake and 12 balloons. The cake costs $20. The balloons cost $1 each. Will Carys have enough money? What is the exact amount Carys will spend?
Carys will not have enough money. Carys' total will be $53. She will need three more dollars to have the correct amount.
200
70 * 20 =
1,400
200
4,000 mL = ______ L
4,000 mL = 4 L
200
Solve using the Partial Product method. 2 * 71 =
142
200
What is the area of this shape?
140 square meters
200
Jon wanted to buy pizza for the entire class. There are 20 people in his class. He figured that each person would eat two slices. There are 8 slices in each pie. Each pie costs $12.00. How many pies will Jon need? How much will Jon spend? Explain your thinking.
John will need to buy 5 pizza pies. I know this because 20 people * 2 slices each = 40 slices. 8 * ____ = 40 The missing number is 5. If each pie is $12.00 then I will multiply 12 * 5 and get 60.
Jon will spend $60 on the 5 pies he is ordering for his class.
300
6,000 * 30 =
180,000
300
18 kg = _____ g
18 kg = 18,000 g
300
Solve using the lattice method. 83 * 94 =
7,802
300
What is the area of the shape?
37 square units
300
Katie has 2 flowerbeds to fill up with tulip bulbs. One flowerbed measures 36 feet by 9 feet, and the other bed measures 28 feet by 7 feet. Each bulb needs about a square foot of space. If Katie wants each bed to be half blue tulips and half pink tulips, how many of each color bulb should she buy?
Katie should buy 260 of each color tulip.
She can plant a total of 520 tulips in her garden. Since Katie wants half blue and half pink, I split the total in half. That gave me 260.
400
800 * 40 =
32,000
400
4.7 kg = ______ g
4.7 kg = 4,700 g
400
Solve using the Partial Product method. 76 * 32 =
2,432
400
What is the area and perimeter of the shape?
Perimeter : 23 centimeters
Area : 27 Square centimeters
400
William's doctor said he should walk about 30,000 steps each day for his health, so William bought a apple watch to record his steps. About 4,079 of William's steps equal a mile. If William has walked about 7 miles today, how many steps has his apple watch recorded so far? How many more steps does William need to reach his goal?
William has walked 28,553 steps. William needs to walk 1,447 more steps to reach is goal.
500
70,000 * 400 =
28,000,000
500
3700 mL = ______ L
3700 mL = 3,700 L
500
Solve using the Partial Product method. 731 * 45 =
32,895
500
What is the area and perimeter of the shape?
Perimeter : 74 units
Area : 82 square units
500
Caden's sister gives him 13 packs of trading cards per month. Each pack has 17 cards. She gives him 7 extra packs for his birthday. How many cards does Caden get in 4 years?
Caden will get 11,084 cards in 4 years.
2,771 cards per year.