Rounding
Addition
Subtraction
Multiplication/division
Patterns
100

What is 27 rounded to the nearest ten?

30

100

13+12=

25

100

38-12=

26

100

2x3=

6

100

5, 10, 15, 20, ___

add 5 

25

200

What is 53 rounded to the nearest ten?

50

200

35+15=

50

200

85-46=

39

200

6x10=

60
200

15, 12, 9, 6, __

subtract 3 

3

300

What is 168 rounded to the nearest hundred?

200

300

156+267=

423

300

172-57=

115

300

5x4=

20

300

275, 250, 225, 200, 175, _____

subtract 25

150

400

What is 714 rounded to the nearest hundred?

700

400

407+158=

565

400

508-216=

292

400

48÷8=


6

400

38, 40, 42, 44, ___

add 2 

46

500

What is 587 rounded to the nearest ten?

590

500

689+91=

780

500

906-157=

749

500

9x4=

18÷6=

36


3

500

68, 60, 52, 46, ___

subtract 8 

38