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
24 + 10 = ______
74 + 10 = ______
4 × 10 = ______
16 + 10 = ______
25 + 20 = ______
1 × 10 = ______
23 − 10 = ______
37 − 10 = ______
27 − 10 = ______
84 − 10 = ______
48 + 10 = ______
86 + 10 = ______
45 − 10 = ______
22 + 20 = ______
17 + 10 = ______
65 + 20 = ______
69 + 20 = ______
5 × 10 = ______
32 + 10 = ______
14 + 20 = ______
