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
96 − 10 = ______
50 + 20 = ______
85 + 10 = ______
98 − 10 = ______
91 − 10 = ______
69 − 10 = ______
63 + 20 = ______
55 + 20 = ______
6 × 10 = ______
40 − 10 = ______
75 − 10 = ______
22 + 20 = ______
1 × 10 = ______
89 + 20 = ______
14 + 20 = ______
38 + 10 = ______
24 − 10 = ______
9 × 10 = ______
3 × 10 = ______
26 + 20 = ______
