Multiplication 2-Digit
Estimate then solve. 15 x 3
Estimate: 60
Answer: 45
What is 1 x 12 written in expanded form?
(1 x 10) + (1 x 2) = 12
True or False: 9 x 8 = 72 can be written as:
72 times as many as 9 is 8
False.
Correct answer: 9 times as many as 8 is 72
There are 25 ducks in each pond in Disneyland. There are 8 ponds there. How many ducks in total?
200 ducks!
Estimate then solve. 156 x 8 =
Estimate: 1,600
Answer: 1,248
Estimate then solve. 27 x 4
Estimate: 120
Answer: 108
What is 3 x 25 written in expanded form?
(3 x 20) + (3 x 5) = 75
True or False, a reasonable estimate of 7 x 39 is 280
True!
Mrs. H walks into 3 ice cream stores and each of them have 250 ice cream cones. She buys all them all and eats them! How many ice cream cones did Mrs. H eat?
750 ice cream cones
Estimate then solve. 547 x 5 =
Estimate: 2,500
Answer: 2,735
Estimate then solve. 37 x 8
Estimate: 320
Answer: 296
7 x 500 = 7 x ( ? ) hundreds = ( ?? ) hundreds
? = 5
?? = 35
Using regrouping, 47 ones are regrouped as 40 tens and 7 ones.
False.
Correct answer: 47 is regrouped as 4 tens and 7 ones.
Miss A really likes to do jumping jacks. If she can do 1,500 jumping jacks in 1 minute, how many jumping jacks can she do in 6 minutes?
9,000 jumping jacks
Estimate then solve. 1,345 x 4 =
Estimate: 4,000
Answer: 5,380
Estimate then solve. 98 x 5
Estimate: 500
Answer: 490
What is 6 x 389 written in expanded form?
(6 x 300) + (6 x 80) + (6 x 9) = 2,334
The partial products of 7 x 31 is 210 and 70.
False. 210 and 7
Ms. Crosier runs 17 miles each week for 5 weeks. How many miles will she run in total?
85 miles
Estimate then solve. 4,219 x 3 =
Estimate: 12,000
Answer: 12,657
Estimate then solve. 72 x 6
Estimate: 420
Answer: 432
5 x 800 = 5 x (?) hundreds = (??) hundreds = (???)
(?) = 8
(??) = 40
(???) = 4,000
True or False, the product of 8 x 3,519 is 28,153.
False.
Correct answer: 28,152
The farmer has 170 rows of carrots with 10 carrots in each row. But last Monday, a rabbit came into the farm and ate 15 carrots! How many total carrots does the farmer have left in her farm?
1,685 carrots
Estimate then Solve. 809 x 8 =
Estimate: 6,400
Answer: 6, 472