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
54 + 10 = ______
95 − 10 = ______
33 + 20 = ______
37 + 20 = ______
41 − 10 = ______
35 + 20 = ______
89 − 10 = ______
75 + 20 = ______
1 × 10 = ______
35 − 10 = ______
7 × 10 = ______
87 − 10 = ______
28 + 10 = ______
74 + 20 = ______
27 − 10 = ______
4 × 10 = ______
3 × 10 = ______
69 + 10 = ______
70 + 10 = ______
66 − 10 = ______
