add
substract
mutplison
number storys
counting
100

solve:  18+18=?










36

100

solve: 666-555=?

 111

100

solve:  10x2=?

20

100

If  I  have  123  in  one  hand.And  567  in the  other  hand.What  do I  have?

realy  big  hands.

100

count  by __ ?

1,2,3,4,___

count  by  1s.

1,2,3,4,5

200

solve:  

200

solve:  5x9=?

45

200

I  have  5  rocks.If I  give  1  away.How  much  do  I  have  left?

4  rocks.

200

count  by  ___?

2,4,6,8,__

count  by  2s.

2,4,6,8,10

300

solve:  

300

solve:  

300

solve:  4x8=?

16

300

If  I  have 100  rocks  and  give 10  away.How  much  do  I  have  left?

90  rocks.

300

count  by  ___?

5,10,15,__

count  by  5s.

5,10,15,20

400

solve: 

400

solve:  

400

solve: 8x12=?

96

400

I  have  90  rocks .I  give  80  away.How  much  do   I  have  left?

10  rocks.

400

count  by  ___?

10,20,30,__

count  by  10s.

10,20,30,40

500

solve:  

500

solve:9000-8000=?

1000

500

solve:  9x12=?

108

500

I  have   354  rocks .I  give  354 away.How  much  do  I  have  left?


0  rocks.

500

count  by  __?                              

100,200,300,400,__

count by  100s.

100,200,300,400,500

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