order of operation
rounding decimals
powers of 10
algebra
word problems
100

[(2 x 6) 4

what is 3

100

what is 0.894 rounded to the nearest tenth

0.9

100

127.47 x 10

1,274.7

100

1x +2x = 1x + 4 solve for x


x=2

100

Ron Weasley buys 2 chocolate frogs for $2.64. Harry Potter buys six times as many chocolate frogs. How much money does harry spend?

15.84

200

{(5 x 6) + 7]

what is 37

200

what is 5.999 rounded to the nearest hundredth

6

200

9,851.43 x 100

985143

200

3x - 1x +1 = 2x + 2x + 3

x=1

200

a seventh year at Hogwarts bought a pencil for 93 cent. If he bought 7 more how much did he spend.

$6.51

300

{[7 + (26 - 18)] x 2}

what is 30
300

 round 8.642 to the nearest hundredth

8.64

300

758.2365 x 10

7582.365

300

3x + 3 =1x + 9

check = 12 = 12

x= 3

300

hagrid spent $10.22 on butter beer. I f each drink cost $5.11 how many drinks did he get?

2 drinks

400

{[8 +(72  6)] x 5} - 58

what is 42

400

what is 43.687 rounded to the nearest hundredth place?

43.69

400

8340.798 x 1000

8,340,798

400

6 + 2x = 2 + 4x

check 10 = 10

x = 2

400

Hermione got 19 books for 10.62. if all the books cost the same amount of money how much money does each book cost?

1.78

500

{[ 8 x (6 + 5) 2] + 12}

what is 56

500

what is 59.832 rounded to the nearest ones

what is 60

500

123,456.789  x 100

12345678.9

500

2x + 4 = 1x + 8

check 12 = 12

x= 4

500

harry bought 8 rare invisibility cloaks for $109.168.  about how much money does harry spend

$109

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