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
34 − 10 = ______
70 + 20 = ______
22 − 10 = ______
54 + 20 = ______
48 − 10 = ______
58 + 10 = ______
24 + 20 = ______
7 × 10 = ______
12 + 20 = ______
9 × 10 = ______
65 − 10 = ______
27 + 20 = ______
55 + 20 = ______
75 − 10 = ______
3 × 10 = ______
75 + 20 = ______
59 − 10 = ______
59 + 10 = ______
8 × 10 = ______
63 − 10 = ______
