Numbers 0 - 50

Group 1

100

Say aloud 15

fifteen

200

write down on the board the result of 53-30

twenty-three

300

Spell to a classmate number 38 (he/she must write it on the board)

thirty-eight

400

Say aloud 13 and 30

thirteen   /    thirty

Group 2

100

Write down on the board 16

sixteen

200

Say aloud the result of 12+3+9

twenty-four

300

Spell to a classmate number 37

thirty-seven

400

Say aloud 14 and 40

fourteen  /  forty

Group 3

100

Write down on the board 18

eighteen

200

Say aloud the result of 9-12+7+11

twenty-one

300

Spell to a classmate number 35

thirty-five

400

say aloud 15 and 50

fifteen and fifty

Group 4

100

Say aloud 12 and write it down in the board

twelve

200

Write down on the board the result of 3 - 16 + 13

twenty-six

300

Spell to a classmate number 34

thirty-four

400

write down on the board 15 and 50

fifteen / fifty

Group 5

100

Write down 17 on the board 

seventeen

200

Say aloud the result of 36+11-22

twenty-five

300

Spell to a classmate number 33

thirty-three

400

write down on the board 13 and 30

thirteen / thirty