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
3 × 10 = ______
7 × 10 = ______
37 − 10 = ______
32 − 10 = ______
86 − 10 = ______
8 × 10 = ______
26 + 20 = ______
79 − 10 = ______
84 + 10 = ______
50 + 10 = ______
41 + 10 = ______
1 × 10 = ______
33 + 10 = ______
87 − 10 = ______
57 − 10 = ______
63 + 10 = ______
61 + 10 = ______
60 + 20 = ______
58 − 10 = ______
88 + 20 = ______
