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
48 + 10 = ______
72 − 10 = ______
5 × 10 = ______
31 + 10 = ______
43 − 10 = ______
43 + 20 = ______
7 × 10 = ______
22 + 10 = ______
85 + 20 = ______
32 + 10 = ______
99 − 10 = ______
59 − 10 = ______
44 + 20 = ______
37 + 10 = ______
35 − 10 = ______
58 + 10 = ______
88 − 10 = ______
2 × 10 = ______
87 − 10 = ______
25 + 10 = ______
