Dividing Decimals and Square Roots
Approximate √45.
a.) 6 < √45 < 7 b.) 6 > √45 > 7 c.) 7
a.) 6 < √45 < 7
What are the first 5 multiples of 7?
7, 14, 21, 28, 35
A number is divisible by 5 if the last digit of a number is _______
0 and 5
Scientific Notation is a way of expressing numbers that are too large or too small to be conveniently written in __________ form
decimal
What are the ways in finding the Greatest Common Factor?
Listing Method, Factor Tree and Factor Ladder
Approximate √26.
5 < √26 <6
Give the factors of 12
1, 12, 2, 6, 3, 4
Is 1,273,878 divisible by 2?
YES, (ends with 8 w/c is an EVEN number)
Write in scientific notation form: 523.1
5.231 x 10²
Find the prime factorization of 12.
12 = 2 x 2 x 3
Solve: 3√50.
3 (√49) = 3 (7) = 21
Is 7 and 11 relatively prime? explain.
Yes, because their GCF is 1.
Is 7,146 divisible by 6?
Yes, (7 + 1 + 4 + 6 = 18) (ends with 6 w/c is an even number)
Write in scientific notation form: 0.459 x 10⁹
4.59 x 10⁸
Find the prime factorization of 36.
36 = 2 x 2 x 3 x 3
Solve: 23.5 ÷ 5 = _______
4.7
Give the factors of 24.
1, 24, 2, 12, 3, 8, 6, 4
Find the 45th term in the sequence 7, 14, 21, 28, 35 …
315 (45 x 7 = 315)
Solve: (9.4 × 10²) + (4.7 × 10²)
14.1 × 10²
Find the LCM of 9 and 6.
18
Solve: 147.9 ÷ 3 = _______
49.5
__________ is a number that divides another number completely with no remainder.
FACTORS
Find the 71st term in the sequence 9, 18, 27, 36 …
639 (71 x 9 = 639)
Solve: (7.25 × 10³)(3 ×10²)
21.75 x 10⁵ = 2.175 x 10⁶
Find the GCF of 12 and 18.
6