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
35 + 10 = ______
45 + 10 = ______
6 × 10 = ______
2 × 10 = ______
40 − 10 = ______
51 + 10 = ______
42 + 10 = ______
41 + 20 = ______
86 − 10 = ______
45 − 10 = ______
47 − 10 = ______
70 + 20 = ______
52 + 20 = ______
74 + 20 = ______
25 + 10 = ______
46 − 10 = ______
95 − 10 = ______
63 + 10 = ______
20 + 10 = ______
5 × 10 = ______
