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
5 × 10 = ______
3 × 10 = ______
95 − 10 = ______
98 − 10 = ______
15 + 10 = ______
6 × 10 = ______
72 − 10 = ______
64 + 10 = ______
88 + 10 = ______
63 + 10 = ______
60 + 20 = ______
61 − 10 = ______
30 + 20 = ______
40 + 20 = ______
22 + 10 = ______
99 − 10 = ______
9 × 10 = ______
1 × 10 = ______
73 + 10 = ______
23 − 10 = ______
