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
84 − 10 = ______
46 + 10 = ______
59 + 20 = ______
44 − 10 = ______
60 + 20 = ______
9 × 10 = ______
37 + 20 = ______
51 + 20 = ______
41 + 10 = ______
78 − 10 = ______
91 − 10 = ______
20 + 20 = ______
96 − 10 = ______
50 − 10 = ______
48 + 10 = ______
75 + 20 = ______
7 × 10 = ______
24 − 10 = ______
81 + 20 = ______
43 + 20 = ______
