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
62 + 10 = ______
84 − 10 = ______
8 × 10 = ______
7 × 10 = ______
1 × 10 = ______
58 − 10 = ______
24 − 10 = ______
66 + 10 = ______
51 − 10 = ______
27 − 10 = ______
19 + 10 = ______
42 − 10 = ______
38 + 20 = ______
39 − 10 = ______
69 + 20 = ______
70 − 10 = ______
9 × 10 = ______
26 + 20 = ______
6 × 10 = ______
33 − 10 = ______
