addition & subtraction
multiplication
division
word problems
logic problems
100

375+297

672

100

5x7

35

100

36:6

6

100

There were 873 toys in the store. 432 toys were sold on the first day of the sale. How many toys are left?

441

100

Magic Numbers
Mike thought of a number. If you add 5 to it, the result is 12. What number did Mike think of?

7

200

529+399

928

200

10x6

60

200

9:3

3

200

Irina collected 542 coins. She spent 218 of them on shopping. How many coins are left?

324

200

What Day is It?
Sasha’s birthday is tomorrow, and her birthday always comes 3 days after Wednesday. What day is it today?

Today is Thursday.

300

841-567

274

300

9x4

36

300

45:5

9

300

There were 756 notebooks in the classroom. The teacher gave 329 of them to the students. How many notebooks are left?

427

300

Fruit Order
There are an apple, a pear, and an orange on the table. The apple is heavier than the orange but lighter than the pear. Which fruit is the lightest?

Orange

400

900-754

146

400

7x7

49

400

90:10

9

400

There were 384 trees in the park. 156 trees were cut down for expansion. How many trees are left?

228

400

Secret Code
Vika has a combination lock with three digits. She knows that:

  • The first digit is greater than 2 but less than 5.
  • The second digit is half of the first one.
  • The third digit is the smallest single-digit number.
    What is the code for the lock?

420

500

312+275+197

784

500

2x4x5

40

500

63:9

7

500

Maria bought 697 pencils. She gave 349 to her classmates. How many pencils are left?

348

500

Mystery of the Boxes
There are 4 boxes on the table. The first box has fewer items than the second one but more than the third. The fourth box has the most items. Which box has the fewest items?

3rd

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