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
77 + 10 = ______
16 + 20 = ______
37 − 10 = ______
26 + 20 = ______
77 + 20 = ______
22 + 20 = ______
23 + 20 = ______
7 × 10 = ______
62 − 10 = ______
31 + 10 = ______
32 − 10 = ______
31 − 10 = ______
20 + 10 = ______
3 × 10 = ______
38 − 10 = ______
36 − 10 = ______
42 + 20 = ______
97 − 10 = ______
42 − 10 = ______
1 × 10 = ______
