Citius
2/3 * 45= ?
30
5/6 + 6/36+ 36/36
2.5 x 80
200
(-3)x(-5)x(-100)
-1500
True or False: 19 is a composite number.
False. It is a prime number.
What do you get when 96 is divided by an even prime number?
48
What is the remainder left when 45 is divided by 9?
0
Evaluate the following expression:
8 × 23 - 8 × 3
160
Luba wants to play the piano for 4 hours today but only manages to play 3/5th of the time she wanted to. How many hours did she play? Answer in decimals.
2.4
Fill in the missing exponent in the following equation:
33 × 32 × 3? = 35
0
Ileana used 2/5th lb of flour to bake a vanilla cake. She used another 6/10th lb of flour to bake a chocolate cake. How much flour did she use altogether?
1 pound
True or False: 91 is a prime number.
False. It is a composite number.
Victoria fills her water bottle with 1½ liters of water. In the morning she drinks ⅔ liter, and in the afternoon she finishes the rest. How many liters does she drink in the afternoon?
5/6
Fill in the missing exponent in the following equation:
a-9 x a-10 x a2 = a?
-17
1+2+3+4...+98+99+100
5050