There are half as many students in the class today, than there were yesterday. What operation does 'half as many' refer to.

Select the word that means subtraction.

5 is increased by 68. What number is it now?

The temperature was 83 degrees in the afternoon. It was 47 degrees in the evening. How much did the temperature change

Amani, Michael, Steven and Charlotte each brought 6 guests to the party. How many guests were there at the party?

Michael has 22 quarters in his piggy bank. He wants to trade them for dollars. How many dollars can Michael get?

Amani has 297 old marbles. She bought 468 new marbles, but she had lost 15 old marbles before she bought the new ones. She then lost half of her marbles in the tornado. How many marbles did Amani lose?

Steven had 114 pokemon cards. He kept 10 of them and shared the rest evenly among his 8 friends. How many pokemon cards did each friend receive.

Charlotte is an animal lover. She has 20 photos of dogs and 30 photos of cats. She showed an equal number of them on 10 posters for a fundraiser for an animal shelter. How many photos were on each poster?