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
57 − 10 = ______
70 + 20 = ______
9 × 10 = ______
20 + 10 = ______
48 + 20 = ______
32 − 10 = ______
4 × 10 = ______
44 + 20 = ______
52 + 10 = ______
5 × 10 = ______
3 × 10 = ______
1 × 10 = ______
76 + 10 = ______
92 − 10 = ______
84 − 10 = ______
37 + 10 = ______
76 + 20 = ______
8 × 10 = ______
37 − 10 = ______
25 + 20 = ______
