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
62 + 10 = ______
71 + 20 = ______
51 + 10 = ______
5 × 10 = ______
35 − 10 = ______
59 − 10 = ______
64 + 20 = ______
80 − 10 = ______
40 + 10 = ______
84 − 10 = ______
3 × 10 = ______
25 − 10 = ______
58 − 10 = ______
1 × 10 = ______
80 + 10 = ______
8 × 10 = ______
66 + 10 = ______
32 − 10 = ______
16 + 10 = ______
24 − 10 = ______
