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
60 − 10 = ______
67 + 20 = ______
30 + 10 = ______
70 + 10 = ______
8 × 10 = ______
19 + 10 = ______
24 + 10 = ______
18 + 10 = ______
76 + 10 = ______
37 + 10 = ______
22 − 10 = ______
86 − 10 = ______
72 − 10 = ______
97 − 10 = ______
89 + 20 = ______
28 − 10 = ______
1 × 10 = ______
72 + 20 = ______
2 × 10 = ______
32 − 10 = ______
