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
7 × 10 = ______
25 + 20 = ______
22 + 10 = ______
88 + 20 = ______
23 − 10 = ______
3 × 10 = ______
49 + 20 = ______
16 + 20 = ______
23 + 20 = ______
2 × 10 = ______
63 + 20 = ______
65 − 10 = ______
98 − 10 = ______
9 × 10 = ______
4 × 10 = ______
54 + 10 = ______
35 + 20 = ______
50 − 10 = ______
92 − 10 = ______
55 + 10 = ______
