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 = ______
73 − 10 = ______
2 × 10 = ______
88 + 10 = ______
66 + 10 = ______
70 − 10 = ______
75 − 10 = ______
7 × 10 = ______
28 + 10 = ______
43 + 10 = ______
20 + 20 = ______
74 − 10 = ______
94 − 10 = ______
15 + 10 = ______
41 − 10 = ______
44 + 20 = ______
75 + 20 = ______
49 − 10 = ______
55 − 10 = ______
1 × 10 = ______
