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
38 + 20 = ______
7 × 10 = ______
94 − 10 = ______
19 + 10 = ______
22 − 10 = ______
14 + 10 = ______
72 + 10 = ______
88 − 10 = ______
37 + 10 = ______
53 − 10 = ______
64 + 10 = ______
8 × 10 = ______
78 − 10 = ______
57 − 10 = ______
63 + 10 = ______
3 × 10 = ______
67 − 10 = ______
9 × 10 = ______
62 − 10 = ______
16 + 10 = ______
