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
8 × 10 = ______
7 × 10 = ______
4 × 10 = ______
47 + 20 = ______
45 − 10 = ______
5 × 10 = ______
29 + 20 = ______
97 − 10 = ______
95 − 10 = ______
86 + 10 = ______
6 × 10 = ______
58 + 10 = ______
9 × 10 = ______
38 − 10 = ______
44 + 20 = ______
13 + 20 = ______
36 + 20 = ______
75 + 20 = ______
2 × 10 = ______
73 + 10 = ______
