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
96 − 10 = ______
61 + 10 = ______
16 + 20 = ______
28 + 20 = ______
93 − 10 = ______
72 + 10 = ______
63 − 10 = ______
6 × 10 = ______
1 × 10 = ______
9 × 10 = ______
67 + 10 = ______
33 + 10 = ______
2 × 10 = ______
43 + 10 = ______
8 × 10 = ______
92 − 10 = ______
68 − 10 = ______
7 × 10 = ______
29 − 10 = ______
63 + 10 = ______
