Multiplying by 1 digit
345 x 3
1,035
24 x 31
744
Estimate the product. 678 x 8
700 x 8 = 5,600
Tina read for 720 minutes during the month of November. Her classmate Raquel read 3 times as many minutes! How many minutes did Raquel read for?
2,160 minutes
30 x 80
2,400
261 x 7
1,827
88 x 52
4,576
Estimate the product. 2,678 x 4
3,000 x 4 = 12,000
Alstede Farms has 45 rows of apple trees. Each row has 26 apple trees. How many apple trees are there altogether?
1,170 trees
90 x 40
3,600
4,008 x 9
36,072
45 x 91
4,095
Estimate the product. 39 x 64
40 x 60 = 2,400
Jamie practices multiplication and division facts every day in the month of December. If there are 31 days in December, and she practices for 25 minutes a day, how many minutes will she have practiced by the end of the month?
775 minutes
50 x 400
20,000
2,563 x 7
17,941
63 x 46
2,898
Estimate the product. 46 x 78
50 x 80= 4,000
Hailey is multiplying 65 x 13 using an area model. She says her smaller facts to find partial products are (60 x 10 = 600) + (5 x 10 = 50) + (6 x 3 = 18) + (5 x 3 = 15). Is she correect? Explain why or why not.
No she is not correct. She should be multiplying 60 x 3 = 180.
600 x 70
42,000
9,986 x 5
49,930
98 x 75
7,350
Estimate the product: 23 x 53
20 x 50 = 1,000
Christopher is not correct. The partial products are 20 x 50 = 1,000 4 x 50 = 200 20 x 6 = 120 and 4 x 6 = 24.
Christopher most likely multiplied 4 x 50 incorrectly and got 20.
300 x 40 =
12,000