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
30 + 10 = ______
7 × 10 = ______
76 + 10 = ______
66 − 10 = ______
9 × 10 = ______
51 + 20 = ______
82 + 20 = ______
94 − 10 = ______
90 − 10 = ______
46 + 10 = ______
4 × 10 = ______
1 × 10 = ______
70 − 10 = ______
55 + 20 = ______
8 × 10 = ______
16 + 10 = ______
54 + 20 = ______
27 + 10 = ______
95 − 10 = ______
82 + 10 = ______
