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
4 × 10 = ______
13 + 10 = ______
81 + 10 = ______
95 − 10 = ______
33 − 10 = ______
28 + 10 = ______
50 + 20 = ______
55 + 10 = ______
24 − 10 = ______
30 − 10 = ______
65 − 10 = ______
49 + 20 = ______
86 + 10 = ______
63 − 10 = ______
15 + 20 = ______
54 + 10 = ______
3 × 10 = ______
49 + 10 = ______
56 + 10 = ______
1 × 10 = ______
