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
50 + 10 = ______
29 + 20 = ______
24 − 10 = ______
86 − 10 = ______
41 + 20 = ______
6 × 10 = ______
37 + 20 = ______
74 − 10 = ______
78 − 10 = ______
5 × 10 = ______
94 − 10 = ______
43 + 10 = ______
29 − 10 = ______
68 + 10 = ______
25 − 10 = ______
28 + 10 = ______
51 + 20 = ______
9 × 10 = ______
95 − 10 = ______
35 + 10 = ______
