Adding
145+318
463
498-245
253
Round 236 to the nearest hundred
200
A factory makes 5,690 socks on Wednesday. They ten make 4,388 socks on Thursday. How many socks did the factory make on Wednesday and Thursday?
10,078 socks
What is the communitive property of addition?
You can add 2 numbers in any order to get the same answer. Example: 31+22=22+31
4,506+2,828
7,334
2,765-1,238
1,527
Round 567 to nearest ten
570
An aquarium had 4,618 visitors on Monday, and 3,540 visitors on Tuesday. How many more people visited the aquarium on Monday than Tuesday?
1,078
What is the identity property of addition?
Adding zero does not change the number. Example: 32+0=32
54,948+6,345
61,293
23,432-18,568
4,864
Round 23,608 to the nearest thousand.
24,000
A baseball stadium sold 10,235 hot dogs and 14,967 pretzels. They also 3,450 t-shirts and 390 baseball hats. How much food did they sell altogether?
25,202
What is the associative property of addition?
You can change the grouping of the numbers to get the same answer. Example: (2+5)+4 =(4+5) +2
25,673+63,844
89,517
40,000-12,345
27,655
Round 454,926 to the nearest hundred thousand.
500,000
A football team has 5,000 tickets for their game. They sold 4,568 tickets. How many tickets do they have left?
432 tickets
What is a variable?
A letter that represents an unknown number or value. Example: y, z, s, p
99,789+54,670
154,459
50,930-48,099
2,831
678,400
On Saturday, 36,430 people went to the art museum. On Sunday, 23,965 people went to the art museum. How many more people went to the art museum on Saturday then on Sunday?
12,465
What is an algorithm?
The steps you do to solve the problem