Sam traveled 376 miles last year. His brother traveled 529 miles. His sister traveled 237. How many miles did they travel in all?
1,142 miles
decrease
subtract
John buys 12 pencils one week, and 7 the following week. He gives 3 pencils to his friend. How many pencils does he have left?
16
There is a mother elephant and a baby elephant at the zoo. The mother elephant weights 6,934 pounds and the baby weights 377 pounds. How much do they weigh altogether?
7,311 pounds
sum
add
Lydia has 15 marbles. She takes them to her friend’s house. She loses 3 on the way and 4 in the house. How many does she have left?
8
increase
add
Asif has a packet of biscuits. There are 12 in the packet. He gives 6 of the biscuits to some friends. He buys another packet of 12 biscuits. How many biscuits does he have now?
18
difference
subtract
Amina collects 23 conkers. She gives 6 of the conkers to her brother and 8 to her sister. How many conkers does she have left?
9
how many more
subtract
A photographer takes 34 photographs in a day. She takes 13 in the morning and 12 in the afternoon. She takes the rest of the photographs in the evening. How many photographs does she take in the evening?
9