85 x 7 =
595
63 x 17
1071
Austin does 50 push ups a day for 39 days. How many pushups is this in all?
1950 pushups
7 × 104
7000
Estimate 32 x 19 x 8 using compatible numbers.
30 x 20 x 8 = 4800
682 x 4
2728
98 x 78
7644
Heather has 178 photos on her cell phone. Corrie has 12 times as many photos as Heather.
How many photos does Corrie have?
2136
Write in expanded form
126
12 x 12 x 12 x 12 x 12 x 12
An online book store has 182 boxes of books in its warehouse. Each box has 32 books.
Is the best estimate an underestimate or an overestimate? Explain.
Underestimate
180 x 30 =
There are 24 hours in a day. How many hours are there in a week?
168 hours
934 x 72
67,248
Dr. Peterson works 178 hours each month. How many hours does she work in a year?
2136
Is the equation below correct? Explain.
7.9 × 104 = 7,900
The equation is incorrect. The product should have 3 zeros.
What is the variable, write equation with variable, solve equation
Variable = m (Miles)
6 x 1,194 = m
m = 7,164 miles
467 x 32 = 32 x 467 Name the property
Commutative Property
An airline has 47 planes that can each carry 108 passengers. How many passengers can all of the planes carry?
5,076
Rosanne has 142 songs on her MP3 player. Teresa has 11 times as many songs as Rosanne. How many songs does Teresa have?
Draw, write equation, and solve
142 x 11 = 1,562
Write 230.607 in expanded form using exponents
(2 x 100) + (3 x 10) + (6 x 1/10) + (7 x 1/1000)
What number makes this number sentence true? (5 x 92) x 10 = 5 x (__ x 10) Also name the property.
92, the Associative property
What property is being used?
(58 x 20) x 1 = 58 x (20 x 1)
Associative Property
383 x 57 x 24
523,944
London bought 287 comic books at 65 cents each. She then sold 123 comics at 85 cents to Shahad. How much money did London spent?
$82.00
Write 243 in standard form
13,824
253 x 101
25,553