Double Facts
Addition
Halves
Place Value
Subtraction
100

6+6

What is 12?

100

12+19

what is 31?

100

half of 14

what is 7?

100

what is the value of 7 in 756

what is 700 ?

100

5-1

what is 

200

10+10

what is 20?

200

13+12

what is 25?

200

half of 16

what is 8 ?

200

what is the place value of 6 in 456    

what is ones ?

300

12+12

what is 24?

300

16+12

what is 28 ?

300

half of 18  

what is 9 ?

300

what is the place value of 9 in 591

what is tens ?

400

20+20

WHAT IS 40?

400

24+21

25

400

half of 50

what is 25 ?

400

what is the place value of 5 in 529

what is hundreds ?

500

70+70

what is 140 ?

500

50+24

what is 74 ?

500

half of 100

what is 50?

500

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=90