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
52 − 10 = ______
4 × 10 = ______
83 + 10 = ______
55 − 10 = ______
58 − 10 = ______
5 × 10 = ______
9 × 10 = ______
36 + 20 = ______
3 × 10 = ______
74 + 10 = ______
8 × 10 = ______
7 × 10 = ______
76 + 10 = ______
77 + 10 = ______
35 + 20 = ______
41 − 10 = ______
36 − 10 = ______
43 − 10 = ______
68 + 20 = ______
60 + 10 = ______
