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
44 + 20 = ______
93 − 10 = ______
8 × 10 = ______
27 − 10 = ______
88 + 10 = ______
6 × 10 = ______
75 + 10 = ______
67 + 20 = ______
35 − 10 = ______
31 − 10 = ______
45 + 10 = ______
5 × 10 = ______
2 × 10 = ______
37 − 10 = ______
74 + 20 = ______
4 × 10 = ______
42 + 10 = ______
63 + 20 = ______
33 + 20 = ______
98 − 10 = ______
