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
28 + 10 = ______
7 × 10 = ______
70 − 10 = ______
25 + 10 = ______
63 + 20 = ______
83 + 10 = ______
60 + 10 = ______
50 + 10 = ______
1 × 10 = ______
76 − 10 = ______
56 + 10 = ______
6 × 10 = ______
29 − 10 = ______
9 × 10 = ______
17 + 10 = ______
93 − 10 = ______
45 − 10 = ______
43 + 10 = ______
15 + 10 = ______
51 + 10 = ______
