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
48 + 10 = ______
98 − 10 = ______
9 × 10 = ______
41 − 10 = ______
32 + 20 = ______
4 × 10 = ______
35 + 10 = ______
41 + 20 = ______
29 + 20 = ______
58 − 10 = ______
74 + 10 = ______
64 + 10 = ______
61 + 10 = ______
8 × 10 = ______
71 − 10 = ______
70 − 10 = ______
73 − 10 = ______
45 + 10 = ______
89 + 20 = ______
5 × 10 = ______
