Number patterns
BODMAS
place value
rounding
number line
100

2,4,6_ _ _

up by 2

8,10,12

100

(4+4)x2

16

100

what place value of 4 in 45 

40 

100

62 rounded to the nearest 10  

60

100

-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8

-1+2 

1

200

11,22,33_ _ _

up by 11 

44 55 66

200

(5+5)x?=100

x10=

200

the place value of 9 in  3904 

900

200

345 rounded to the nearest 100 

300

200

-8-7-6-5-4-3-2-1 0 1 2 3 4 5 6 7 8

-8+3

5

300

15,13,11_ _ _ 

up by 3 

9,7,5

300

(?+?)x9=108

(6+6)

300

the place value of  6 in 68.93

tens 

300

8723 rounded to the nearest  1000 

9000

300

-9-8-7-6-5-4-3-2-1 0 1 2 3 4 5 6 7 8 9

-3+-6

3

400

750,650,550_ _ _

down by 100 

450, 350,250

400

(3+3)x(?+?)=100

(50+50)

400

the place value of 5 in 52341.678

ten thousands 

400

12605 rounded to the nearest 10000

10000

400

10-9-8-7-6-5-4-3-2-1 0 1 2 3 4 5 6 7 8 9 10

2+7

-5

500

333,300,267_ _ _

down by 33 

234,201,168

500

?-(9 divide 3+4)=3  

10

500

the place value of  3 in 5478.234 

hundredths 

500

20035 rounded to the nearest  50000 

25000

500

-9 -8-7-6-5-4-3--2-10 1 2 3 4 5 6 7 8 9

9+-20

-11