Ed had 22 more marbles than Doug. Doug lost 8 of his marbles at the playground. How many more marble did Ed have than Doug then?

Sara bought decorations for her party. She paid $5 for balloons and $18 for tablecloths. She also spent $9 for streamers. She paid the cashier and got $8 back. How much money did Sara give to the cashier?

Zachary collects cans for the recycling club. On the first day, he found 4 cans. On the second day, he found 9 cans. He found 14 cans on the third day. If this pattern continues, how many cans do you think Zachary will find on the seventh day?

Suzanne read the first 15 pages of her book on Monday. She read 16 more pages than that on Tuesday. Then there were 18 pages left. How many pages are in Suzanne's book altogether?

Maria and her sister want to buy a present for their mother. Maria has $17. Her sister has double that amount. They want to buy their mom a coat that costs $80. How much more money do they need?