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
94 − 10 = ______
2 × 10 = ______
51 + 20 = ______
41 + 20 = ______
57 − 10 = ______
41 + 10 = ______
8 × 10 = ______
58 + 20 = ______
50 − 10 = ______
33 + 10 = ______
24 − 10 = ______
54 − 10 = ______
43 − 10 = ______
80 + 20 = ______
4 × 10 = ______
30 + 20 = ______
39 + 20 = ______
35 − 10 = ______
66 + 20 = ______
38 − 10 = ______
