Number Sense

Which of the following is an example of a prime factor?

• 4
• 2
• 6
• 8

Tags

CCSS.4.OA.B.4

Write the prime factorization of 48

• 2^4 * 3 
• 3 * 2^4
• 2 *3* 5
• 3*3*3

Write the prime factorization of 75

• 3*8
• 5^2*3
• 3*5^2
• 4*7

Write the prime factorization of 200

• 2^3*5^2
• 3^2*2^5
• 5^5
• 5^2*2^3

What is a square root? 

• A number that can only be divided by 1 and itself
• An imaginary number
• A number created by multiplying 2 lower numbers by themselves
• A number, when multiplied by itself equals a bigger number.

What is √ called?

• exponent
• factor
• multiple
• radical sign

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

Why are 6^2 and √36 inverses? 

• Because they equal the others' opposite.
• Because 6 + 6 = 12
• Because 36 is divisible by 6

Find √49

• 6 or -6
• 7 or -7
• 7
• 6

Find √144

• 11
• 12
• 11 or -11
• 12 or -12

Find √169

• 11 or -11
• 12 or -12
• 13 or -13
• 14 or -14