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
96 − 10 = ______
51 − 10 = ______
9 × 10 = ______
12 + 10 = ______
60 − 10 = ______
8 × 10 = ______
32 + 20 = ______
2 × 10 = ______
80 + 20 = ______
83 + 20 = ______
34 + 20 = ______
58 − 10 = ______
45 + 20 = ______
93 − 10 = ______
24 + 20 = ______
71 + 20 = ______
78 − 10 = ______
5 × 10 = ______
17 + 20 = ______
67 + 20 = ______
