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
2 × 10 = ______
43 + 20 = ______
27 − 10 = ______
7 × 10 = ______
58 + 10 = ______
22 + 10 = ______
6 × 10 = ______
50 + 20 = ______
46 − 10 = ______
4 × 10 = ______
16 + 20 = ______
3 × 10 = ______
64 − 10 = ______
30 − 10 = ______
24 + 10 = ______
48 − 10 = ______
5 × 10 = ______
8 × 10 = ______
40 + 20 = ______
42 + 20 = ______
