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
70 + 20 = ______
3 × 10 = ______
81 − 10 = ______
24 + 20 = ______
11 + 10 = ______
60 + 10 = ______
32 + 10 = ______
48 + 10 = ______
33 + 10 = ______
35 + 10 = ______
93 − 10 = ______
54 − 10 = ______
9 × 10 = ______
98 − 10 = ______
43 + 20 = ______
65 + 10 = ______
78 − 10 = ______
29 − 10 = ______
70 − 10 = ______
5 × 10 = ______
