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
88 + 10 = ______
94 − 10 = ______
25 + 10 = ______
44 + 20 = ______
33 + 20 = ______
84 − 10 = ______
9 × 10 = ______
74 − 10 = ______
13 + 20 = ______
78 − 10 = ______
22 + 10 = ______
96 − 10 = ______
4 × 10 = ______
89 + 10 = ______
44 − 10 = ______
80 − 10 = ______
79 + 10 = ______
85 + 20 = ______
8 × 10 = ______
72 + 10 = ______
