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
14 + 10 = ______
83 − 10 = ______
7 × 10 = ______
94 − 10 = ______
32 − 10 = ______
71 − 10 = ______
47 + 10 = ______
8 × 10 = ______
81 + 10 = ______
58 + 20 = ______
73 − 10 = ______
6 × 10 = ______
18 + 20 = ______
4 × 10 = ______
34 + 10 = ______
65 − 10 = ______
9 × 10 = ______
83 + 20 = ______
26 − 10 = ______
5 × 10 = ______
