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
74 − 10 = ______
23 + 10 = ______
72 + 10 = ______
69 − 10 = ______
51 − 10 = ______
28 + 10 = ______
54 − 10 = ______
13 + 10 = ______
69 + 20 = ______
7 × 10 = ______
82 + 20 = ______
88 − 10 = ______
86 + 20 = ______
86 − 10 = ______
96 − 10 = ______
68 − 10 = ______
34 + 10 = ______
2 × 10 = ______
73 + 10 = ______
34 + 20 = ______
