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
2 × 10 = ______
36 − 10 = ______
32 + 10 = ______
4 × 10 = ______
61 + 10 = ______
21 − 10 = ______
50 + 20 = ______
12 + 20 = ______
83 − 10 = ______
75 − 10 = ______
24 + 10 = ______
88 + 20 = ______
34 − 10 = ______
66 + 10 = ______
7 × 10 = ______
32 − 10 = ______
41 + 10 = ______
9 × 10 = ______
19 + 20 = ______
75 + 10 = ______
