TERCERA SE MANA DE REFORZAMIENTO "CÁLCULO MENTAL 1° A,B,C".

Front

30 x 20 ÷ 3 = ?

Back

200

Front

800 ÷ 2 - 50

Back

350

Front

120 + 80 x 5 = ?

Back

1000

Front

700 ÷ 2 + 150 ÷ 2 = ?

Back

250

Front

45 x 2 + 210 ÷ 2 = ?

Back

150

Front

60 + 40 ÷ 5 x 4

Back

80

Front

Triple de 50 + 300 - 100

Back

350

Front

90 - 30 ÷ 2 × 5

Back

150

Front

40 + 640 ÷ 2 = ?

Back

340

Front

300 + 700 ÷ 2 - 200 = ?

Back

300