matemática 10

1 – Escreva a leitura das quantias.

R$ 10,00____________________________

R$ 20,00____________________________

R$ 30,00____________________________

R$ 0,10__________________________________

R$ 0,25______________________________________________

R$ 5,00__________________________________

2 – Calcule.

10 + 5 – 2 + 3 = ____ 6 + 3 + 2 – 3 – 1 = ____

5 + 2 – 1 + 2 = _____ 20 + 1 + 2 – 3 = _____

10 – 6 - 2 - 1 =_____ 5 + 5 + 2 – 6 = ____