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
16 + 10 = ______
75 + 10 = ______
5 × 10 = ______
86 + 20 = ______
94 − 10 = ______
8 × 10 = ______
4 × 10 = ______
16 + 20 = ______
54 − 10 = ______
30 + 20 = ______
6 × 10 = ______
48 + 20 = ______
72 + 20 = ______
2 × 10 = ______
9 × 10 = ______
61 − 10 = ______
62 + 20 = ______
54 + 10 = ______
70 + 10 = ______
43 − 10 = ______
