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 = ______
55 + 10 = ______
21 + 10 = ______
5 × 10 = ______
20 + 10 = ______
70 + 10 = ______
93 − 10 = ______
54 + 10 = ______
9 × 10 = ______
7 × 10 = ______
4 × 10 = ______
3 × 10 = ______
84 + 10 = ______
81 − 10 = ______
90 − 10 = ______
8 × 10 = ______
28 + 20 = ______
36 − 10 = ______
2 × 10 = ______
58 + 10 = ______
