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
20 + 10 = ______
8 × 10 = ______
39 − 10 = ______
51 + 10 = ______
7 × 10 = ______
9 × 10 = ______
54 − 10 = ______
84 + 20 = ______
61 + 10 = ______
42 − 10 = ______
72 + 20 = ______
17 + 10 = ______
2 × 10 = ______
6 × 10 = ______
49 + 10 = ______
94 − 10 = ______
41 + 10 = ______
14 + 10 = ______
79 + 10 = ______
43 − 10 = ______
