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
22 + 10 = ______
72 − 10 = ______
52 + 20 = ______
34 + 10 = ______
29 + 20 = ______
92 − 10 = ______
4 × 10 = ______
2 × 10 = ______
44 − 10 = ______
97 − 10 = ______
5 × 10 = ______
66 + 20 = ______
7 × 10 = ______
89 + 10 = ______
48 + 20 = ______
61 − 10 = ______
46 + 10 = ______
24 + 10 = ______
37 + 20 = ______
99 − 10 = ______
