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
91 − 10 = ______
8 × 10 = ______
62 − 10 = ______
86 − 10 = ______
33 + 10 = ______
75 − 10 = ______
25 − 10 = ______
25 + 20 = ______
9 × 10 = ______
41 − 10 = ______
38 + 20 = ______
44 + 10 = ______
22 + 20 = ______
76 − 10 = ______
5 × 10 = ______
3 × 10 = ______
26 − 10 = ______
45 + 10 = ______
2 × 10 = ______
4 × 10 = ______
