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
36 + 10 = ______
78 + 10 = ______
60 + 10 = ______
76 − 10 = ______
54 + 10 = ______
92 − 10 = ______
13 + 20 = ______
39 − 10 = ______
1 × 10 = ______
47 + 10 = ______
61 + 20 = ______
84 + 20 = ______
7 × 10 = ______
51 + 20 = ______
48 + 10 = ______
90 − 10 = ______
71 + 10 = ______
8 × 10 = ______
50 − 10 = ______
64 − 10 = ______
