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
3 × 10 = ______
51 + 10 = ______
9 × 10 = ______
18 + 20 = ______
50 + 10 = ______
77 − 10 = ______
93 − 10 = ______
50 − 10 = ______
4 × 10 = ______
22 − 10 = ______
6 × 10 = ______
7 × 10 = ______
32 + 20 = ______
28 + 10 = ______
1 × 10 = ______
75 − 10 = ______
16 + 20 = ______
32 − 10 = ______
73 + 10 = ______
77 + 10 = ______
