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
46 − 10 = ______
56 + 10 = ______
36 + 10 = ______
20 + 10 = ______
22 + 10 = ______
30 + 10 = ______
92 − 10 = ______
3 × 10 = ______
81 + 10 = ______
82 + 20 = ______
2 × 10 = ______
52 + 10 = ______
44 + 10 = ______
58 + 20 = ______
64 + 20 = ______
8 × 10 = ______
70 − 10 = ______
61 + 20 = ______
42 − 10 = ______
4 × 10 = ______
