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 = ______
1 × 10 = ______
83 − 10 = ______
5 × 10 = ______
12 + 10 = ______
51 − 10 = ______
14 + 10 = ______
7 × 10 = ______
43 + 10 = ______
50 + 10 = ______
52 − 10 = ______
40 − 10 = ______
3 × 10 = ______
53 + 20 = ______
55 + 10 = ______
30 + 10 = ______
48 + 20 = ______
54 − 10 = ______
86 + 10 = ______
26 + 20 = ______
