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
6 × 10 = ______
92 − 10 = ______
88 − 10 = ______
3 × 10 = ______
31 + 20 = ______
38 − 10 = ______
13 + 20 = ______
14 + 10 = ______
8 × 10 = ______
47 + 20 = ______
7 × 10 = ______
76 + 20 = ______
16 + 10 = ______
46 + 20 = ______
41 + 10 = ______
58 − 10 = ______
83 − 10 = ______
79 − 10 = ______
97 − 10 = ______
68 − 10 = ______
