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
46 − 10 = ______
75 − 10 = ______
76 + 10 = ______
54 + 20 = ______
7 × 10 = ______
32 − 10 = ______
9 × 10 = ______
4 × 10 = ______
1 × 10 = ______
63 + 20 = ______
26 − 10 = ______
22 + 10 = ______
81 + 20 = ______
54 + 10 = ______
41 − 10 = ______
24 − 10 = ______
89 + 20 = ______
40 − 10 = ______
21 + 10 = ______
23 + 10 = ______
