Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
50 − 10 = ______
22 + 10 = ______
88 − 10 = ______
35 + 20 = ______
86 + 10 = ______
2 × 10 = ______
61 + 20 = ______
98 − 10 = ______
72 + 10 = ______
37 + 10 = ______
48 + 20 = ______
1 × 10 = ______
73 − 10 = ______
54 + 10 = ______
74 + 10 = ______
60 + 10 = ______
66 − 10 = ______
72 − 10 = ______
59 + 20 = ______
89 − 10 = ______
