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
34 − 10 = ______
3 × 10 = ______
94 − 10 = ______
51 + 20 = ______
8 × 10 = ______
50 + 10 = ______
63 + 20 = ______
42 + 20 = ______
34 + 20 = ______
2 × 10 = ______
51 + 10 = ______
70 + 20 = ______
77 + 10 = ______
70 − 10 = ______
7 × 10 = ______
72 + 20 = ______
65 + 20 = ______
96 − 10 = ______
29 − 10 = ______
35 + 10 = ______
