12,345 + 6,789= ?
19,134
23,456 − 9,876 =
13,580
x + 345 = 1,234
x = 889
Library Books: Sarah has 450 books in her library. She donates 125 books to a local charity. Later, she buys 80 new books. How many books does she have now?
Answer: 450 − 125 + 80= 405
45,678 + 23,456 = ?
69,134
50,000 − 17,845 =
32,155
678 − y= 245
y=433
Class Supplies: A teacher started the year with 600 pencils. After giving away 250 pencils to students, she received a donation of 150 pencils. How many pencils does she have now?
600 − 250 + 150 = 500 pencils
1,234+9,876=
11,110
12,345 − 8,679 =
3,666
1,200 + a = 3,456
a=2,256
Concert Tickets: Tom had 150 concert tickets. He sold 45 tickets to his friends and then bought 30 more tickets. How many tickets does he have now?
150− 45 + 30 = 135 tickets
78,910 + 12,345 =
91,255
100,000 − 34,567 =
65,433
b − 512 = 1,000
b=1,512
Mr. Skibin ate 7,898 dumplings. He also ate 466 pieces of lasagna. He ALSO ate 24 poorly behaved students. How many things did he eat all together?
7,898 + 466 + 24 = 8,388
So, Mr. Skibin ate a total of 8,388 things altogether.
100,000 + 25,678 =
125,678
45,678 − 29,845 =
15,833
3,250 + c = 4,500
c=1,250
Mr. Skibin went snowboarding last weekend. He completed 15 runs down the mountain. He also took 3 breaks to enjoy hot chocolate and helped 5 fellow snowboarders who had fallen. How many activities did Mr. Skibin do altogether while snowboarding?
15+3+5=23
So, Mr. Skibin participated in a total of 23 activities while snowboarding.