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 = ______
45 + 10 = ______
1 × 10 = ______
47 − 10 = ______
92 − 10 = ______
16 + 20 = ______
42 + 10 = ______
37 + 10 = ______
73 + 20 = ______
55 + 10 = ______
32 − 10 = ______
31 + 20 = ______
38 − 10 = ______
7 × 10 = ______
47 + 20 = ______
56 + 10 = ______
26 + 10 = ______
34 − 10 = ______
98 − 10 = ______
83 − 10 = ______
