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
9 × 10 = ______
3 × 10 = ______
7 × 10 = ______
11 + 10 = ______
83 − 10 = ______
26 + 10 = ______
60 + 20 = ______
5 × 10 = ______
41 + 10 = ______
56 + 10 = ______
60 − 10 = ______
8 × 10 = ______
56 − 10 = ______
98 − 10 = ______
29 − 10 = ______
2 × 10 = ______
4 × 10 = ______
50 + 10 = ______
72 + 20 = ______
54 + 20 = ______
