Calculations with Parenthesis
Mental Calculation
Word Problems!
Multiplication!
Division!
100
8 + 4 x 9
44
100
659-30
629
100
215 toys were put into 5 boxes. There were 51 toys in each of 3 boxes. How many toys were there in each of the other 2 boxes?
31
100
82 x 30
2, 460
100
560 / 90
6 R 20
200
Does 9 x 3 + 4 have the same value as 9 + 3 x 4?
NO!
200
873-299
574
200
A red string is 15 inches longer than a blue string. The total length of the two strings is 55 inches. What is the length of the red string?
35 inches
200
29 x 70
2,030
200
216 / 60
3 R 36
300
80 x (12 + 15) / 4
540
300
86 x 7
602
300
There are 1395 students in a school. There are twice as many girls as boys. How many girls are there?
930 girls
300
529 x 90
47,610
300
369 / 36
10 R 9
400
Fill in the blanks. (16 + 4) x 9 = (16 x ___) + (4 x ____)
Both blanks are 9s!
400
86 x 79 = (86 x ____)-86
80
400
Book A cost $26. Book B cost $8 less than Book A. 99 copies of Book A and 65 copies of Book B were sold. How much were the books sold for in all?
$3,744
400
1459 x 50
72,950
400
9021 / 46
196 R 5
500
Place a pair of parenthesis in the equation to make it true. 6 x 15 + 14 = 174
6 x (15 + 14) = 174
500
59 x 30 = ( ____ x 30) - 30
60
500
Ammi sold 125 bottles of shampoo. She sold 5 times as many bottles as Ansley. Carli sold 80 more bottles than Ansley. How many bottles did they sell in all?
255 bottles
500
7109 x 33
234,597
500
1638 / 23
71 R 5
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