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
6 × 10 = ______
5 × 10 = ______
35 + 10 = ______
1 × 10 = ______
16 + 20 = ______
24 + 20 = ______
76 + 10 = ______
7 × 10 = ______
2 × 10 = ______
41 − 10 = ______
22 − 10 = ______
38 − 10 = ______
26 + 10 = ______
86 − 10 = ______
47 + 10 = ______
61 − 10 = ______
30 + 20 = ______
23 + 20 = ______
62 + 20 = ______
54 + 10 = ______
