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
29 + 10 = ______
6 × 10 = ______
3 × 10 = ______
25 + 10 = ______
88 + 10 = ______
32 − 10 = ______
40 + 10 = ______
2 × 10 = ______
36 − 10 = ______
17 + 10 = ______
37 + 20 = ______
44 + 20 = ______
7 × 10 = ______
38 + 20 = ______
54 − 10 = ______
74 − 10 = ______
46 + 10 = ______
92 − 10 = ______
70 + 20 = ______
44 − 10 = ______
