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
34 − 10 = ______
2 × 10 = ______
59 − 10 = ______
51 − 10 = ______
23 + 10 = ______
25 + 20 = ______
36 + 20 = ______
89 − 10 = ______
19 + 20 = ______
76 − 10 = ______
27 + 10 = ______
11 + 10 = ______
8 × 10 = ______
44 + 10 = ______
53 − 10 = ______
48 − 10 = ______
46 − 10 = ______
71 + 10 = ______
58 + 20 = ______
28 + 10 = ______
