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
44 + 20 = ______
53 − 10 = ______
16 + 20 = ______
9 × 10 = ______
2 × 10 = ______
96 − 10 = ______
55 + 20 = ______
84 + 10 = ______
51 + 20 = ______
6 × 10 = ______
63 − 10 = ______
8 × 10 = ______
39 + 20 = ______
18 + 10 = ______
76 + 10 = ______
35 − 10 = ______
62 − 10 = ______
64 − 10 = ______
98 − 10 = ______
17 + 20 = ______
