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
24 − 10 = ______
58 + 20 = ______
4 × 10 = ______
76 − 10 = ______
26 + 10 = ______
8 × 10 = ______
46 + 20 = ______
77 + 10 = ______
59 − 10 = ______
36 + 20 = ______
79 + 20 = ______
58 − 10 = ______
31 + 10 = ______
9 × 10 = ______
37 + 20 = ______
80 − 10 = ______
27 + 10 = ______
13 + 20 = ______
6 × 10 = ______
42 + 10 = ______
