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
48 − 10 = ______
58 − 10 = ______
87 + 20 = ______
11 + 20 = ______
1 × 10 = ______
26 + 20 = ______
77 + 10 = ______
36 + 10 = ______
84 − 10 = ______
29 + 20 = ______
25 + 10 = ______
74 − 10 = ______
5 × 10 = ______
88 − 10 = ______
7 × 10 = ______
23 + 10 = ______
6 × 10 = ______
96 − 10 = ______
4 × 10 = ______
2 × 10 = ______
