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 = ______
62 + 10 = ______
54 + 10 = ______
7 × 10 = ______
66 − 10 = ______
74 + 10 = ______
21 + 20 = ______
16 + 20 = ______
74 − 10 = ______
32 + 20 = ______
9 × 10 = ______
68 − 10 = ______
2 × 10 = ______
75 + 20 = ______
71 − 10 = ______
1 × 10 = ______
93 − 10 = ______
23 − 10 = ______
22 + 20 = ______
95 − 10 = ______
