Find the product
6 x 2
12
Estimate 72 to the nearest tenth
70
Solve using partial product:
48 x 7
336
solve using the area model:
12 x 3
36
6 x 20
120
estimate 256 to the nearest hundred
300
Solve using partial product:
72 x 8
576
solve using the area model:
87 x 3
261
147+32=
179
6 x 200
1,200
5 x 23 = 115
round 23 to the nearest tenth
5 X ____ = ______
Is your answer reasonable?
100; yes
Solve using partial product:
293 x 2
586
solve using the area model:
231 x 2
462
452
- 238
_________
214
6 x 2,000
12,000
3 X 2,784 = 8,352
round 2,784 to the nearest thousands
3 X ____ = ______
Is your answer reasonable?
9,000; yes
Solve using partial product:
930 x 6
5,580
solve using the area model:
352 x 5
1,760
Bob's Bacon Truck makes 20 bacon sandwiches and 15 bacon cakes every day. How many total items are made in 2 days?
70
60 x 2,000
120,000
7 X 421 = 2,947
round 421 to the nearest hundred
7 X ____ = ______
Is your answer reasonable?
2,800; yes
Solve using partial product:
314 x 5
1,570
solve using the area model:
849 x 3
2,547
Mrs. Sharp bakes 135 cupcakes and 16 cupcakes everyday. How many total items does she bake in three days?
453 items