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
41 − 10 = ______
8 × 10 = ______
7 × 10 = ______
26 + 10 = ______
2 × 10 = ______
98 − 10 = ______
94 − 10 = ______
12 + 20 = ______
74 + 20 = ______
65 + 20 = ______
46 + 10 = ______
79 + 10 = ______
1 × 10 = ______
14 + 20 = ______
58 + 20 = ______
24 − 10 = ______
22 − 10 = ______
53 + 10 = ______
17 + 20 = ______
43 + 10 = ______
