subtraction
place value
true or false
prime or nah
100

20 + 235

what is 255?

100

3-1=

what is 2?

100

what does the number 1 stand for in the number 100

what is 100?

100

19 is prime

what is true

100

is 4 prime

what is no

200

455+298=

what is 753?

200

230-30=

what is 200?

200

what does the 8 stand for in the number 785

what is 80?

200

18 is prime

what is false

200

is 18 prime

what is no

300

4,328+129=

what is 4,457

300

532-10=

what is 522?

300

what does the number 4 stand for in the number 8,456

what is 400?

300

65 is prime

what is false

300

is 37 prime

what is yes

400

30,435+10,215

what is 40,650

400

30,872-128=

what is 30,744?

400

what does the number 9 stand for in the number 90,865

what is 90,000?

400

is 119 prime

what is true

400

is 100 prime

what is no

500

5,860,585+2,399,785=

what is 8,260,370

500

3,847,000-2,736,000=

what is 1,111,000?

500

what does the number 5 stand for in the number 8,587,987

what is 500,000?

500

is 83 prime

what is true

500

is 119 prime

what is yes

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