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
64 − 10 = ______
2 × 10 = ______
22 + 10 = ______
55 + 10 = ______
88 − 10 = ______
65 + 20 = ______
3 × 10 = ______
7 × 10 = ______
23 + 20 = ______
76 + 10 = ______
26 − 10 = ______
11 + 20 = ______
61 − 10 = ______
24 − 10 = ______
67 + 10 = ______
9 × 10 = ______
27 − 10 = ______
32 + 20 = ______
93 − 10 = ______
89 + 10 = ______
