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
59 + 10 = ______
96 − 10 = ______
29 − 10 = ______
6 × 10 = ______
86 + 20 = ______
97 − 10 = ______
79 + 20 = ______
13 + 10 = ______
3 × 10 = ______
81 − 10 = ______
45 + 20 = ______
1 × 10 = ______
5 × 10 = ______
76 − 10 = ______
7 × 10 = ______
43 + 10 = ______
28 + 20 = ______
8 × 10 = ______
4 × 10 = ______
21 + 10 = ______
