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
38 − 10 = ______
1 × 10 = ______
43 + 20 = ______
13 + 20 = ______
50 + 20 = ______
99 − 10 = ______
89 + 20 = ______
5 × 10 = ______
86 + 10 = ______
76 + 10 = ______
47 + 10 = ______
59 + 10 = ______
4 × 10 = ______
93 − 10 = ______
91 − 10 = ______
87 + 10 = ______
3 × 10 = ______
39 + 20 = ______
57 − 10 = ______
19 + 20 = ______
