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
36 + 10 = ______
2 × 10 = ______
64 − 10 = ______
45 + 10 = ______
19 + 20 = ______
63 − 10 = ______
48 + 10 = ______
32 − 10 = ______
61 + 10 = ______
64 + 10 = ______
61 + 20 = ______
87 − 10 = ______
39 + 10 = ______
88 − 10 = ______
21 − 10 = ______
40 − 10 = ______
21 + 10 = ______
56 − 10 = ______
89 + 10 = ______
22 + 10 = ______
