Place Value, Multiplying, & Divisibility Rules
Write this number in word form:
92,374
ninety-two thousand, three hundred seventy four
73
294
What property does this expression demonstrate? (Do not solve!) :
7 + (5+8) = (7+5) +8
Associative Property of Addition
What is the GCF (greatest common factor) of 12 & 18?
6
factors of 12 = 1, 2, 3, 4, 6, 12
factors of 18 = 1, 2, 3, 6, 9, 18
What's the divisibility rule for 3?
If the sum of the digits is divisible by 3, then the number is divisible by 3.
122 divided by 9
16
1537 divided by 7
439 r3
What is the prime factorization of 30?
2 x 3 x 5
652 x 16
11,432
How many miles will a train travel in 32 hours if it averages 48 miles per hour?
1,536 miles
Is 121 a perfect square? If so, what is the square root?
Yes; 11
What is the least common multiple of 18 and 30?
90
237(524)
124,188
152 is (greater than, less than or equal to) 35
less than
Use the commutative property to write an equivalent expression to:
(4+11) x 3 =
3 x (4 + 11)
What is the prime factorization of 208?
2 x 2 x 2 x 2 x 13
or: 24 x 13
819 divided by 21
39
There are 572 people attending a conference. If the attendees will be seated at tables and each table seats 8 people, how many tables will be needed?
71 r4.
72 tables.
(34 - 6) divided by (24 - 1)
5
What is the least common multiple of 32 and 40?
160