Mental Math
800 ➗ 4
200
602 ➗ 3
200 R. 2
6,287 ➗ 2
3,143 R. 1
Hope raised 284 dollars selling geckos. Each gecko cost $4. How many geckos did Hope sell?
71 geckos
48,584 + 24,907
73,491
450 ➗ 5
90
518 ➗ 5
103 R. 3
5,970 ➗ 4
1,492 R. 2
Sophie raised $580 cookies. She raised twice as much money selling brownies. She gave the money equally to 5 different charities. How much money did Sophie give to each charity?
$348
80,000 - 52,505
27,495
2,700 ➗ 3
900
282 ➗ 6
47
2,086 ➗ 7
298
Connor has twice as many trading cards as Jeremiah. Abraham has 3 times as many trading cards as Connor. Altogether, Jeremiah and Abraham have 595 cards. How many trading cards does Connor have?
170 cards
89 x 249
22,161
7,000 ➗ 5
1,400
364 ➗ 8
45 R. 4
8,004 ➗ 6
1,334
A school had $5,000 to spend on computers. It bought 2 desktop computers for $980 each and 5 laptops for $588 each. How much money did the community center have left over?
$100 left over
1, 2, 3, 4, 6, 8, 12, 24
81,000 ➗ 3
27,000
785 ➗ 9
87 R. 2
9,986 ➗ 8
1,248 R. 2
Mira had twice as many books as Addie. Addie had twice as many books as Carmela. Altogether they had 840 books. Then Mira gave away 130 books. How many books does Mira have left?
350 books left
Find the common factors of 12 and 20
1, 2, 4