JLAB Academic Level I - Missed Questions

½  + ⅓  = …

• ⅙

• ⅕

• ⅖

• ⅚

(5n-8)(5n+8)

• 25n²-64
• 10n²
• 5n²+16
• 16

Define arithmetic sequences.

• A sequence whose terms change by adding the same number each time.

• A sequence whose terms change by multiplying the same number each time.

• A sequence whose terms change by dividing the same number each time.

• A list of numbers that often (but not always) form a pattern.

Write CLXX in figure

• 140

• 150

• 160

• 170

0,25 + ½  = …

• 1 - ¼

• ⅓  + ⅙

• 0,5 - ¼

• ½  - 0,25

The answer to a division problem is the _________.

• dividend

• factor

• product

• quotient

Numbers that get multiplied together to make a product are called __________.

• factors

• multiples

• products

• dividends

The __________ of two numbers is the biggest factor of both numbers.

• greatest common factor

• least common multiple

• least common factor

• greatest common multiple

What are JLAB Academic Competitions?

• A series of online academic competitions for middle school students organized by the Junior Science and Humanities Symposia (JSHS) program.

• A series of academic competitions for high school teachers organized by the Junior Science and Humanities Symposia (JSHS) program.

• A series of online academic competitions for high school students organized by the Junior Science and Humanities Symposia (JSHS) program.

• A series of in-person academic competitions for college students organized by the Junior Science and Humanities Symposia (JSHS) program.

Name one JLAB Academic Resource.

• JLAB website

• JLAB research database

• JLAB tutoring center

• JLAB library