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
4 × 10 = ______
72 + 10 = ______
35 + 10 = ______
86 + 10 = ______
23 + 20 = ______
9 × 10 = ______
76 + 10 = ______
22 − 10 = ______
18 + 10 = ______
36 − 10 = ______
5 × 10 = ______
29 − 10 = ______
52 + 10 = ______
58 − 10 = ______
3 × 10 = ______
75 + 10 = ______
59 + 10 = ______
80 + 20 = ______
77 − 10 = ______
1 × 10 = ______
