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
5 × 10 = ______
70 + 20 = ______
7 × 10 = ______
15 + 20 = ______
37 − 10 = ______
14 + 10 = ______
77 − 10 = ______
64 − 10 = ______
67 + 20 = ______
96 − 10 = ______
55 + 10 = ______
26 − 10 = ______
9 × 10 = ______
95 − 10 = ______
6 × 10 = ______
62 + 20 = ______
3 × 10 = ______
12 + 10 = ______
59 − 10 = ______
33 + 20 = ______
