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
2 × 10 = ______
24 + 10 = ______
50 − 10 = ______
13 + 20 = ______
96 − 10 = ______
82 + 10 = ______
94 − 10 = ______
29 − 10 = ______
47 − 10 = ______
63 + 20 = ______
4 × 10 = ______
7 × 10 = ______
41 + 10 = ______
64 − 10 = ______
86 + 20 = ______
36 − 10 = ______
16 + 10 = ______
66 − 10 = ______
61 + 10 = ______
89 + 20 = ______
