Find x:

x+50=75                         x-25=50

Ai tk mk mk tk lại!

1597537896324475163252135230+1485324572277146532665217=?

Ai tk mk mk tk lại

500+400+.........=1000

The apppropriate number to fill in the blanks is the number?

Write about you.

My name is _________________

My birthday party was on __________________

I invited ________________

First, _______________

Then _______________

Finally, _________________

1000x100=?

Ai tk mk mk tk lại

100x5=?

Ai tk mk thì mk sẽ tk lại!

Quick count:

50x100x1x25x4x2x5x20=?

The last digit of the product 3x5x7x9x11 is....

What the mountains cut int pieces?

Ai tk mk thì mk sẽ tk lại

Two ducks go before two ducks. Two ducks go after two ducks. Two ducks go between two ducks. How many ducks are there?

Quick Count:

75+25+13+91+87+52+48+9+?

Ai tk mk thì sẽ mk tk lại

Mary has 3 pots of flowers, red, pink and yellow. She want to display them in the windowsill. How many different ways can she arrange them?

39 third grade children line up in a row to get on a bus for a fied trip. Kate is the 18^th from the front. John is the 32^nd form the back. How many children are there  between Kate and John?

Find the sequence and fill in the blanks

a) 13;31;24;42;35;53;-----;------;57;75.

b)0;1;2;3;6;11;20;-----;68.

You need to cut a wooden rod to 35 pieces. It take 3 minutes to make 1 cut. How long does it take to complete the cuts?

How many hours and minutes are in between 6:10 pm and 8:20 am the next morning?