2-digit x 1-digit
24 x 8
192
12 x 24
288
327 x 15
4,905
The student's at Mia's school use 3,408 sheets of paper per day. How many sheets of paper do the students use after 25 days of school?
3,408 x 25 = 85,200 sheets of paper
What would be a reasonable estimate for 325 x 12?
a. 350 x 15 = 5,250
b. 300 x 10 = 3,000
c. 400 x 15 = 6,000
d. 400 x 10 = 4,000
b
68 x 4
272
52 x 13
676
135 x 23
3,105
In a video game, you can build a house for every 375 points you earn. Jack built 23 houses. How many points did he earn?
375 x 23= 8,625 points
What would be a reasonable estimate for 5,726 x 49?
a. 5,000 x 40 = 200,000
b. 6,000 x 40 = 240,000
c. 5,000 x 45 = 225,000
d. 6,000 x 50 = 300,000
d
74 x 8
592
25 x 43
1,075
623 x 64
39,872
A hotel room costs $193 per night. How much will a 14-day stay cost?
193 x 14= $2,702
On a school trip, 54 students went to a museum. Each ticket cost $23. About how much did all of the students spend on tickets?
55 x 20 = $1,100
or
50 x 20 = $1,000
or
50 x 25 = $1,250
99 x 8
792
58 x 64
3,712
378 x 29
10,962
Sarah is saving money to buy a dog that costs $1,240. She saved $45 every month for 8 months. How much more does she need to save?
45 x 8 = 360
1,240 - 360 = $880
The fifth graders sold 405 baked goods at the bake sale. Each baked good cost $12. About how much did the fifth graders earn?
400 x 10 = $4,000
400 x 15 = $6,000
87 x 6
522
89 x 95
8,455
792 x 11
8,712
Aaron sees 35 chickens and 23 cows at a farm. How many legs does he see in all?
35 x 2 = 70
23 x 4= 92
70 + 92 = 162 legs
Which equation represents a reasonable estimate for 658 x 19?
a. 700 x 10 = 7,000
b. 650 x 20 = 13,000
c. 600 x 10 = 6,000
b