Multiplication
A student solved this problem: 326 × 4
500 x 4 = 200
20 x 6 = 120
6 x 4 = 24
200 + 120 + 24 = 344
Which of the following shows the student's mistake?
a. There is no mistake
b. 500 x 4 = 200
c. 20 x 6 = 120
d. 6 x 4 = 24
b. 500 x 4 = 200
385 ÷ 5
77
A library received 3,452 books in January and 2,178 books in February. They gave 1,245 books to schools. How many books remain in the library?
4,385 books
Sara is painting her room. Each wall takes 1/3 of a gallon of paint. If she is painting 4 walls, how many gallons of paint will she need?
4/3 or 1 1/3
752 ÷ 2
376
547 x 3 = P
1,641
264 ÷ 4
66
A bakery makes 1,245 pumpkin pies each week in November. They make pies for 3 weeks leading up to Thanksgiving. Later, they bake 578 extra pies for a special order. How many pies do they have in total?
4,313
Johnny is making smoothies. Each smoothie takes 3/6 cup of yogurt. If Johnny is making 3 smoothies, how many cups of yogurt will he need?
9/6 or 1 3/6
3,296 x 8
26,368
2,036 x 4 = P
8,144
892 ÷ 3
297 R1
A pumpkin farm sold 275 pumpkins in the morning. In the afternoon, they sold 3 times as many pumpkins as they did in the evening. If they sold 48 pumpkins in the evening, how many pumpkins did they sell in total for the day?
873
Mrs. Land is taking her dog on a trip. Her dog will need 7/12 cup of food each day. If they are gone for 8 days, how many cups of food will she need to pack for her dog?
56/12 or 4 8/12
Eli raked 24 bags of leaves this fall. He filled 3/4 of them with maple leaves. How many bags were filled with maple leaves?
72/4
4,823 x 5 = P
24,115
957 ÷ 6
159 R3
The Fall Festival had 462 visitors on Friday and 389 visitors on Saturday. Each visitor received 2 tickets for games when they entered. How many total tickets were given out on the two days?
1,702
Scarlett is baking cookies. She needs 4/5 cup of flour for each batch. If she is making 6 batches of cookies, how much flour will she need?
24/5 or 4 4/5
A bakery made 16 pumpkin pies for a fall festival. 2/3 of the pies were decorated with whipped cream.
How many pies had whipped cream?
32/3
5,789 x 6 = P
34,734
731 ÷ 9
81 R2
Mrs. Campbell's class collected 187 cans of food. Mrs. Preston's class collected 59 more. Mr. V's class collected four times as many as Mrs. Preston's class. How many cans did Mr. V's class collect?
984
Jaxon drank 2/8 of a gallon of water after his run. If he drinks the same amount of water after his next 8 runs, how much water will he have drank altogether?
18/8 or 2 2/8
Lila picked 128 apples on her first trip to the orchard. On her second trip, she picked 76 more apples than she did on the first trip. She plans to pack the apples into bags that hold 4 apples each. How many full bags of apples can Lila make?
51 bags