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
55 − 10 = ______
2 × 10 = ______
72 + 20 = ______
49 + 20 = ______
7 × 10 = ______
24 − 10 = ______
75 + 20 = ______
57 + 10 = ______
85 + 10 = ______
95 − 10 = ______
73 − 10 = ______
86 + 10 = ______
4 × 10 = ______
1 × 10 = ______
32 + 20 = ______
37 + 10 = ______
63 + 10 = ______
67 + 10 = ______
57 + 20 = ______
86 − 10 = ______
