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
8 × 10 = ______
59 + 10 = ______
32 − 10 = ______
76 + 10 = ______
58 − 10 = ______
3 × 10 = ______
61 + 10 = ______
74 − 10 = ______
2 × 10 = ______
75 + 10 = ______
48 − 10 = ______
30 − 10 = ______
1 × 10 = ______
18 + 10 = ______
55 + 20 = ______
88 + 10 = ______
39 + 10 = ______
11 + 10 = ______
41 + 20 = ______
11 + 20 = ______
