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
58 − 10 = ______
68 + 10 = ______
34 − 10 = ______
60 + 20 = ______
95 − 10 = ______
9 × 10 = ______
60 − 10 = ______
73 + 10 = ______
1 × 10 = ______
91 − 10 = ______
34 + 20 = ______
64 + 20 = ______
55 − 10 = ______
45 + 10 = ______
38 + 10 = ______
35 + 20 = ______
7 × 10 = ______
75 − 10 = ______
49 − 10 = ______
77 + 20 = ______
